Answer:
It can produce it's own food
Explanation:
Autotrophic organisms can synthesis their own food by using sunlight or any other sources of energy. If they use light , they are called photoautotrophs and if they use certain chemicals then they are called chemoautotrophs . Some examples of autotrophic bacteria are Anabaena, Nostoc, etc .if a gamete of an organism contains 8 chromosomes, how many chromosomes will a normal body cell contain?
if a gamete of an organism contains 8 chromosomes, the number of chromosomes will a normal body cell contain is 8. As All bodily cells, excluding those that will divide to generate gametes, are referred to as somatic cells (ova or sperm).
A eukaryotic cell's nucleus divides in two during the process of mitosis, which is followed by the division of the parent cell into two daughter cells. The term "mitosis," which translates to "threads," refers to the chromosomes' appearance as threads when the cell gets ready to divide. The first people to notice these formations were early microscopists, who also recognised the emergence of a specific network of microtubules during mitosis. The centrosomes, which are found at each of the cell's poles and collectively known as the spindle, are the structures from which these tubules emerge. The chromosomes, which have already replicated their DNA and are oriented across the middle of the cell, are attached to the microtubules as mitosis continues. After then, the spindle tubules shorten and migrate in the direction of the cell's poles. The one copy of each chromosome is pulled along by them as they migrate to the opposing poles of the cell. This procedure guarantees that the DNA of each daughter cell will be identical to that of the parent cell.
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If a gamete of an organism contains 8 chromosomes, a normal body cell will contain 16 chromosomes.
Haploid cells make up gametes. Gametes have a single, complete set of chromosomes, not pairs of them. The gamete of this organism has eight chromosomes. The other cells in the body will be diploid, which means they will have twice as many chromosomes as the gamete. Thus, the body will have 16 pairs of chromosomes or 8 pairs.
This can be expressed mathematically as 2×Number Of chromosomes present in gamete=chromosome in a diploid body cell. 2×8=16
Since 28 equals 16, a normal body cell will have 16 chromosomes.
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a student needs to pipette 50 microliters of the enzyme collagenase, which breaks down the collagen in tissues. however she cannot find her p200. what could she do?
A student can use P20 twice for a total of 20 microliters and then pipette 10 more microliters. Therefore, statement e is the correct procedure.
A pipette is one of the important tools used in the laboratory to transfer very small quantities of a liquid or water in milliliters or microliters. This pipette is available in three sizes such as P20, P200, and P1000. The volume of 0.5 to 20 µl of liquids is transferred using P20, 20 to 200 µl using P200, and 200-1000 µl using P1000.
In the given situation, the student has to take only 50 µl of enzyme collagenase. So, the student can set 50 µl in a P200 pipette. But this pipette is not available. So, the student can take P20. First, she/he can set 20 µl in the pipette and then take a volume of enzyme twice and then she/he can set 10 µl in the pipette and take 10 µl of the enzyme.
The complete question is -
A student needs to pipette 50 microliters of the enzyme collagenase which breaks down the collagen in tissues. However, she cannot find her P200. What could she do?
a. Use the Balance and weigh 50 grams of the enzyme.
b. Use the P1000 and turn the dial to 500
c. Use the P20 and aliquot 20 microliters since that is its maximum volume
d. Use as much enzyme that is available, the more enzyme the faster the reaction will proceed
e. Use the P20 twice at 20 microliters and then pipette another 10 microliters
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Fill in the blank with the appropriate anatomical term:The popliteal region is _____ to the patellar region.
The popliteal region is posterior to the patellar region.
A diamond-shaped area located behind the knee joint is known as the popliteal fossa. It is created by the muscles in the leg's and thigh's back compartments. The main pathway for structures to travel between the thigh and leg is marked by this anatomical landmark.
An area with a diamond shape just behind the knee joint is called the popliteal fossa. It enables vital neurovascular structures to flow through. The popliteal artery, popliteal vein, tibial nerve, and common peroneal nerve are these structures, arranged from medial to lateral.
At the rear of the knee joint, there is a small depression called the popliteal fossa. Femur and tibia are the bone of the popliteal fossa. The patella, which is situated anterior to the knee, is the biggest sesamoid bone in the human body.
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In relation to the patellar region, the popliteal region is posterior.
The popliteal fossa is a region behind the knee joint that has a diamond-shaped form. It is produced by the muscles in the rear compartments of the leg and thigh. This anatomical landmark indicates the primary route for structures to pass between the thigh and the leg.
The popliteal fossa is a diamond-shaped region located right behind the knee joint. It allows for the free passage of essential neurovascular structures. These structures are positioned from medial to lateral and include the popliteal artery, vein, tibial nerve, and common peroneal nerve. The popliteal fossa is a tiny depression located behind the knee joint. The popliteal fossa's bones are the femur and tibia.
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suppose a person has a mutation in their dna and the first triplet for the insulin gene reads t a t. the normal gene reads t a g. what amino acid does the mutant dna and the normal dna code for and will the person with this mutation be diabetic? group of answer choices
The amino corrosive that it codes for is AUA when it ought to understand AUC.
The right response is The TAT codon (UAU for RNA) codes for tyrosine (an amino corrosive) though the TAG (UAG for RNA) codon is a stop codon.
Indeed, the individual will become diabetic in light of the fact that the subject has been transformed into gibberish.
In this way, there was a gibberish transformation (change of an amino corrosive codon to a stop codon). In this manner, the combination of insulin will be unimaginable in light of the fact that the principal codon is an untimely stop codon, so there will be no insulin and an improvement of insulin-subordinate diabetes.
Additionally, the hereditary code likewise incorporates stop codons, which code for no amino corrosive. The stop codons act as end signals for interpretation. At the point when a ribosome arrives at a stop codon, interpretation stops, and the polypeptide is delivered.
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Tyrosine, an amino acid, is coded for by the TAT codon (UAU for RNA), whereas the TAG codon (UAG for RNA) is a stop codon.
Genetic mutations are any changes to an organism's genome's nucleotide sequence, which may occur in a gene's coding sequence and alter the triplet of nucleotides or codon that designates a certain amino acid.
With the help of this information, we can see that a genetic mutation may alter the amino acids that are added during translation, but in order to identify a change in phenotype, we need to know which gene this mutation affects.
Thus, a nonsense mutation occurred (conversion of an amino acid codon to a stop codon). Because the first codon is a premature stop codon, the synthesis of insulin will be difficult, leading to a lack of insulin and the onset of insulin-dependent diabetes.
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a member of one species (the predator) feeds directly on all or part of a living organism of another plant or animal species (the prey) as part of a food web.
predation is called as a member of one species (the predator) feeds directly on all or part of a living organism of another plant or animal species (the prey) as part of a food web.
Based on the behaviour of a predator that captures and kills a prey before consuming it, predatory behaviour refers to the ecological process by which energy is transferred from living animal to live animal. Predators are found at the top of food chains. Their typical low density, widely spread distribution, and typically low overall biomass are all explained by their top position. This is sometimes essential for the survival of regional predator populations in terms of conservation. Predators need to adapt structurally, functionally, and behaviorally in order to engage in effective predation. The type of adaptation required will depend on the predator's size, general body composition, chosen predation strategy, general environmental conditions, and available prey's defensive tactics. Predators need to adapt structurally, functionally, and behaviorally in order to engage in effective predation. The type of adaptation required will depend on the predator's size, general body composition, chosen predation strategy, general environmental conditions, and available prey's defensive tactics. The behaviour and effectiveness of the predator are influenced by the structural complexity of the environment at the landscape, habitat, and microhabitat scales as well as by its seasonality.
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When a member of one species (the predator) consumes all or a portion of a living entity belonging to another plant or animal species (the prey) as a component of a food web, this is referred to as predation.
Predatory behavior describes the ecological process by which energy is moved from living animal to living animal and is based on the behavior of a predator that captures and kills a prey before consuming it. At the pinnacle of food chains are predators.
Their top position explains their characteristic low density, widely dispersed distribution, and low total biomass. In terms of conservation, this is occasionally crucial for the survival of local predator populations. For predation to be successful, predators must adjust their behavior and functional needs.
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Correct Question:
_____ is a member of one species (the predator) feeds directly on all or part of a living organism of another plant or animal species (the prey) as part of a food web.
According to the theory of blending Inheritance, offspring were expected to be phenotypically __________________ relative to their parents, which would dilute any new genetic variants.
According to the theory of blending Inheritance, offspring were expected to be phenotypically intermediate relative to their parents, which would dilute any new genetic variants.
The 19th-century biological hypothesis of blending inheritance is now out of date. According to the notion, a kid will receive a trait as an average of its values from both of its parents. According to the blended inheritance theory, phenotypes, or physical characteristics, are intermediates between the parents and their descendants.
This theory, for instance, predicts that if a tall man and a short woman have a kid, the child will be intermediate in height to her parents. By 1905, the distinction between blended and alternate inheritance was well known, but Francis Galton and his interpreters saw the two kinds as distinct results of breeding, not as competing hypotheses.
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Offspring were anticipated to be phenotypically intermediate in relation to their parents, which would muddle any new genetic variants, in accordance with the hypothesis of blending inheritance.
The biological theory of mixing inheritance from the 19th century is no longer valid. The idea holds that a child will acquire a trait as an average of the values it receives from both of its parents. Phenotypes, or physical features, are intermediaries between parents and offspring in the mixed inheritance hypothesis. For instance, according to this hypothesis, a child born to a tall man and a short woman will be between her parents' heights.
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why is only a single rna primer needed to synthesize the leading strands, but multiple primers are needed to synthesize the lagging strands?
Only a single RNA primer is needed to synthesize the leading strand because DNA polymerase can synthesize the complementary strand in the 5' to 3' direction, allowing it to work continuously along the template strand. Multiple primers are needed to synthesize the lagging strand because DNA polymerase cannot synthesize in the 3' to 5' direction, so it must start at multiple points and work its way back.
RNA primers are short strands of RNA that are used to initiate DNA synthesis in a process known as DNA replication. During DNA replication, the double-stranded DNA molecule is separated into two single strands that are then used as templates for the synthesis of new strands. The new strands are created by the addition of complementary bases to each template strand.
In order to begin this process, a single RNA primer is needed to synthesize the leading strand, which is the strand that is replicated continuously in the 5' to 3' direction. This is because the leading strand can be replicated in a single direction without the need for further primers.
In contrast, multiple primers are needed to synthesize the lagging strand, which is the strand that is replicated in the 3' to 5' direction. This is because the lagging strand is replicated in a series of short pieces in a process known as Okazaki fragments. Each fragment is initiated by an RNA primer, which is then extended by DNA polymerase and eventually sealed by DNA ligase. Since the lagging strand is replicated in the opposite direction of the leading strand, it requires multiple primers to initiate synthesis of each Okazaki fragment.
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During DNA replication, the leading strand is generally defined as the strand that runs in 5' to 3' direction. The lagging strand is defined as the strand that runs in 3' to 5' direction.
DNA replication is semi-conservative in nature. During replication, the leading strand is synthesized in a continously manner and the lagging strand is synthesized in a fragmented manner. DNA is generally has an orientation based on the carbon atoms in the sugar molecule. Therefore the lagging strand which is formed in a discontinuation manner is called the Okazaki fragments.
Therefore a single RNA primer is required for the DNA polymerase that reads the parent strand and attaches the complementary nucleotides based on Chargaff's rules - that adenine pairs with guanine and cytosine pairs with thymine. And therefore for the lagging strand multiple RNA primer will be required to create small fragments. Then This fragments will be joined by DNA ligase.
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which cellular adaptation occurs when the liver regenerates after surgical removal of a damaged portion.
The term "gangrene" describes the necrosis that can happen when cells lose oxygen and die, which can ultimately lead to bacterial invasion. The liver regenerates itself after a damaged section has been surgically removed, exhibiting this form of cellular adaptability.
The hepatocytes' compensatory hypertrophy (enlargement) and subsequent hyperplasia are the two main processes that cause the liver to regenerate after tissue loss (partial hepatectomy) (proliferation of hepatocytes). Cellular adaptation is the capacity of cells to react to diverse stimuli and unfavorable environmental changes.
The expansion of individual cells, or hypertrophy, and hyperplasia are some examples of these adaptations. The term "hypertrophy" refers to the enlargement of a tissue or organ caused by a reduction in the number of cells but an increase in the size of the cells. Increased functional demand frequently leads to hypertrophy.
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Correct Question:
What type of cellular adaptation occurs when the liver regenerates after surgical removal of a damaged portion.
The cellular adaptation that occurs when liver regenerates after surgical removal of a damaged portion is called: hyperplasia.
Liver is known to be the largest organ in the human body. It is a part of the digestive system that secretes the digestive juices like bile for the digestion of food. Apart from being a digestive organ, liver is also an endocrine gland that secretes hormones like insulin and glucagon.
Hyperplasia is also known by another name called hypergenesis. It is simply the enlargement of any organ due to rapid cell proliferation in that area. Although it includes the rapid proliferation of cells, hyperplasia is not equivalent to cancer.
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what kind of evidence has recently made it necessary to assign the prokaryotes to either of two different domains, rather than assigning all prokaryotes to the same kingdom? group of answer choices
Recently, it has become important to classify prokaryotes into one of two distinct domains rather of placing them all in the same kingdom due to rRNA genes.
Prokaryotes are split into two domains since research on the organisms found that there are sufficient distinctions between them to classify them into separate groups. Bacteria come in a wide variety, from pathogens that cause disease to helpful photosynthesizers and symbionts. It can be difficult to classify prokaryotes according to their species. They cannot be categorized based on whether they interbreed or not because they do not sexually reproduce. Additionally, they have little morphological characteristics. The current strategy is to research gene DNA sequences. Fruit that has been home-preserved has a higher risk of causing food illness.
( what kind of evidence has recently made it necessary to assign the prokaryotes to either of two different domains, rather than assigning all prokaryotes to the same kingdom? A. ecological, B. rRNA genes, C. mtDNA, D. morphological )
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(b) Some inherited conditions can be fatal but medical treatment is often available.
Explain what would happen to the frequency of alleles for these inherited conditions if medical treatment was not available.
Some inherited conditions which can be fatal but medical treatment is often available for these include cystic fibrosis. The passage of faulty genes keep on increasing as these are not treatable.
What is Cystic fibrosis?An inherited disorder is a condition which is caused when an individual passes faulty genes on to their offspring. So, the offspring inherits certain alleles from their parents. Some examples of inherited disorders may include cystic fibrosis, sickle cell anemia.
Cystic fibrosis is an inherited life-threatening disorder which damages the lungs and digestive system of the affected person.
Cystic fibrosis affects the cells which produce mucus, sweat, and digestive juices. Cystic fibrosis causes these fluids to become thick and sticky in the system. They then plug up tubes, ducts and passageways.
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what is the process of converting the instructions from nucleic acid to protei
The process of converting the instructions from nucleic acid to protein is known as Translation. In this process, the protein strand is produced from the messenger RNA molecule. The proteins are also called as the " workhorses of the cell".
The translation machinery is housed within a specialised organelle called the ribosome in all cells. Mature mRNA molecules in eukaryotes should indeed leave the nucleus and transport to the cytoplasm, where ribosomes are found. Ribosomes, on the other hand, can bind to mRNA while it continues to be transcribed in prokaryotic organisms. Translation begins at the 5' end of the mRNA whereas the 3' end remains connected to DNA.
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The process of converting the instructions from nucleic acid to protein is known as Translation. In this process, the protein strand is produced from the messenger RNA molecule. The proteins are also called the " workhorses of the cell".
The translation machinery is housed within a specialized organelle called the ribosome in all cells. Mature mRNA molecules in eukaryotes should indeed leave the nucleus and transport to the cytoplasm, where ribosomes are found. Ribosomes, on the other hand, can bind to mRNA while it continues to be transcribed in prokaryotic organisms. Translation begins at the 5' end of the mRNA whereas the 3' end remains connected to DNA.
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propse ideas for the development of drugs that could stop viral replication cycles.
The best way to reduce viral reproduction is to develop drugs that can stop viruses from adhering to host cells. The creation of drugs that could prevent viral replication cycles is suggested.
Which drugs are you referring to?Drugs have the potential to change a person's mental or physical state. It is possible to affect your views, knowledge, behavior, and how your brain works. Because of this, individuals, especially young people, become unpredictable and dangerous.
What exactly qualifies it as a drug?Etymology. The word "drug" is believed to have originated from the Middle Dutch word "droge (vate)," which meant "dry (barrels)," in reference to medicinal herbs that were preserved as dry materials in barrels. The Old French word "drogue" is also thought to have originated from this Middle Dutch word.
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Which of these statements is TRUE? A. Genes cannot be inherited. B. Plants are not controlled by genes. C. Genes are ONLY present in humans. D. ALL organisms are controlled by genes.
Answer:
it’s A
Explanation:
jamaad is a forensic scientist who has just run a test on a substance. the results helped him narrow down the possibilities of what drug the substance could be. which type of test did jamaad run?
The correct option is B ; Positive , In forensic chemical analysis of an unknown material, the analytical technique is to restrict the possibilities until a drug is found. Following the ocular examination, presumptive or screening tests are performed.
The primary purpose of a forensic drug examiner is to positively identify any restricted substance found in a drug exhibit. The ideal procedure for this evaluation is Gas Chromatography/Mass Spectrometry (GC/MS), which is used routinely in most forensic laboratories.
Analysts in forensic drug chemistry employ scientific results to assist investigators in pursuing legal action against individuals suspected of a drug-related crime. The purpose of forensic drug chemistry is to evaluate whether or not the supplied sample contains an illicit substance.
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Full Question;
Jamaad is a forensic scientist who has just run a test on a substance. The results helped him narrow down the possibilities of what drug the substance
could be. Which type of test did Jamaad run?
O A. confirmatory
OB. positive
OC. presumptive
O D. beta
how did predation alone affect the abundance of phytoplankton within the ponds? give a plausible explanation for why this occurred.
Predation alone can affect the abundance of phytoplankton within ponds by decreasing the number of phytoplankton cells.
This occurs because phytoplankton is a primary food source for many aquatic organisms, and when these organisms consume phytoplankton, the population size of the phytoplankton decreases.Predation can also affect the community structure of phytoplankton. Some species of phytoplankton are more palatable to predators than others. Over time, this selective pressure can lead to changes in the species composition of the phytoplankton community, with a decrease in the abundance of palatable species, and an increase in the abundance of unpalatable species.Additionally, predation can also affect the size structure of phytoplankton, as some predators are more efficient at consuming larger cells while others feed on smaller ones.
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Bats and hummingbirds both have wings and can fly. This is due to__________. a. convergent evolution b. co-evolution c. co-adaptation d. divergent evolution
Bats and hummingbirds both have wings and can fly. This is due to
(a) convergent evolution.
The process of convergent evolution is when various species independently develop identical traits in response to comparable environmental stresses. Both bats and hummingbirds have the ability to fly, although these traits have independently developed in the two species. Although they have diverse ancestries and their wings have evolved via various genetic and evolutionary processes, they share significant structural similarities.
These developmental of similar character help the organism to better survive in its in its environment and able to perpetuate its progeny. Evolution thus help to produce better suited individual to the environment.
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Convergent evolution is a process in which two species that are not closely related independently develop similar traits.
This is due to the fact that they are both exposed to similar evolutionary pressures, and so they both develop similar adaptations in order to survive and thrive. While bats and hummingbirds are not directly related, they both have developed wings and the ability to fly due to convergent evolution.
Bats and hummingbirds have both evolved to have lightweight bones, a streamlined body shape and wings that can be maneuvered quickly and efficiently. These adaptations allow them to fly through the air and take advantage of the food sources available to them in their environment.
Additionally, both bats and hummingbirds are able to use their wings to generate lift and navigate around obstacles.
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lipids form the barriers surrounding various compartments within an organism. which property of lipids makes them a good barrier?
Barriers enclosing separate compartments within an organism are made of lipids. Because they are not soluble in many biologically significant chemicals and ions, lipids constitute effective barriers.
Since lipids do not degrade in water, the bilayer acts as a barrier around the cell, allowing only specific molecules to pass through. Water and carbon dioxide are two tiny molecules that can easily travel through the bilayer.
When phospholipids are added to aqueous settings, bilayers form on their own. The hydrophobic effect drives their assembly, causing the lipids to naturally organize themselves in a way that reduces the hydrophobic surface area that is exposed to water.
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Correct Question:
Lipids form the barriers surrounding various compartments within an organism. Which property of lipids makes them a good barrier
a. many biologically important molecules and ions are not soluble in lipids
b. lipids are polymers
c. lipids store energy
d. triglycerides are lipids
e. lipids release large amounts of energy when broken down
The property of lipids that makes then a good barrier is: (a) many biologically important molecules and ions are not soluble in lipid.
Lipids are the biomolecules that are essentially required in the body for the synthesis of plasma membrane. The structure of lipid is composed of a hydrophilic head and a hydrophobic tail. This makes the lipid an amphipathic molecule.
Plasma membrane is the outer covering that surrounds all the cells. It is semi-permeable in nature which means it allows the passage of selected molecules only through it. Structurally, the plasma membrane is a bilayer of lipid embedded with proteins, carbohydrates, etc.
The given question is incomplete, the complete question is:
Lipids form the barriers surrounding various compartments within an organism. which property of lipids makes them a good barrier?
a. many biologically important molecules and ions are not soluble in lipids
b. lipids are polymers
c. lipids store energy
d. triglycerides are lipids
e. lipids release large amounts of energy when broken down
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benign saclike swelling or cyst that typically develops over a joint or tendon
What is a cyst on a tendon called?
Lumps known as ganglion cysts typically develop along the tendons or joints of the wrists or hands. They can also develop in the feet and ankles. Usually circular or oval in shape, ganglion cysts have a jelly-like fluid inside.
When fluid seeps from a joint or tendon tunnel and causes a bulge under the skin, a ganglion cyst is created. Generally speaking, the reason of the leak is unknown, however it could be related to a trauma or underlying arthritis. Epidermoid cysts and sebaceous cysts are two different forms of cysts that frequently develop beneath the skin. Both typically present as smooth-surfaced oval with flesh-colored or whitish-yellow surfaces. Surface skin cells that migrate deeper into the skin and replicate there give rise to epidermoid cysts.
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identify each question as applying to either microsociology or macrosociology.
Microsociology:- 2) How can a conversation between family members turn into a shouting match? 3) At a four-way stop, how do two drivers decide who should proceed first?
Macrosociology:- 1) Why does an army's officer-enlisted relationship differ from its navy's? 4) Why does assimilation differ across different immigrant groups?
The sociology subfields of macrosociology and microsociology each focus on a different level of analysis. Microsociology studies social interactions and dynamics inside small groups, whereas macrosociology examines large patterns and structures across society as a whole. The investigation may fall under either of the two branches, depending on its topic, breadth, and depth. If you could specify which of the two branches the inquiry relates to, I would be happy to help you figure it out.
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Identify each question as applying to either microsociology or macrosociology.
1) Why does an army's officer-enlisted relationship differ from its navy's?
2) How can a conversation between family members turn into a shouting match?
3) At a four-way stop, how do two drivers decide who should proceed first?
4) Why does assimilation differ across different immigrant groups?
The Questions in Microsociology are :
How does a family conversation escalate into a shouting match?How do two drivers decide who goes first at a four-way stop?The Questions in Macrosociology are :
Why does the officer-enlisted relationship differ between a country's army and its navy?Why do some immigrant groups assimilate faster than others?Microsociology and macrosociology are two different perspectives or levels of analysis used in the study of sociology.
Microsociology focuses on the study of small-scale social phenomena, such as face-to-face interactions and individual behavior within a particular social context. This level of analysis is concerned with how individuals interact with each other, how they interpret social situations, and how they form and maintain relationships with others.
Macrosociology, on the other hand, focuses on the study of large-scale social structures and processes, such as social institutions, cultural patterns, and societal-level trends and changes. This level of analysis is concerned with how social structures and institutions shape and influence individuals and groups within a society, and how these structures change over time.
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Complete Question:
Identify each question as applying to either microsociology or macrosociology.
- How does a family conversation escalate into a shouting match?
- Why does the officer-enlisted relationship differ between a country's army and its navy?
- How do two drivers decide who goes first at a four-way stop?
- Why do some immigrant groups assimilate faster than others?
(b) Some inherited conditions can be fatal but medical treatment is often available.
Explain what would happen to the frequency of alleles for these inherited conditions if medical treatment was not available.
Some inherited disorders can be fatal but medical treatment is often available for them.
What are inherited disorders?The disorders which are passed through genetic material are known as genetic disorders. Some genetic disorders are innate, which means that they are present by the time of birth, while others are acquired due to the mutations which are caused in a particular gene. The genetic disorders which are present by the birth are inherited from parents, such as cystic fibrosis, haemophilia, sickle cell anaemia, etc.
Tay-Sachs disease is a fatal genetic disorder which results in progressive destruction of the nervous system. This disorder is caused by the gene defects that lead to the absence of a vital enzyme called as hexosaminidase-A (Hex-A). The carriers of this defective gene have a 50% chance of passing on the gene to their children. Hence, in the absence of any treatment the frequency of these genes keeps on increasing.
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explain why immunosuppressant drugs might be needed to prevent rejection of a kidney received from a donor other than an identical twin.
Immunosuppressant drugs might be needed to prevent rejection of a kidney received from a donor other than an identical twin because the body usually issues an immune response to destroy new tissue that is still foreign.
Immunosuppressant drugs are a group of drugs used to suppress the work of the immune system. This drug serves to prevent rejection reactions after organ transplants.
The body's immunity is a group of cells that function against various attacks by viruses and bacteria that cause disease in the body. Through the immune system, the body will defend itself against various foreign objects that enter the body by destroying or neutralizing these foreign objects. So an immunosuppressant drug is needed when someone has just had a transplant. This drug will help the body to weaken the immune system in order to reduce the body's overreaction to the newly transplanted organ.
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A. From your finger pulse recording, is there any way to determine diastolic pressure? Could a finger pulse measurement ever replace the stethoscope in determining diastolic pressure?
B. Which explanation best describes what happened to the finger pulse amplitude when the arm is held above the head in terms of the estomated systolic pressure?
There is no obvious feature on the pulse recording that allows diastolic pressure to be identified. As a result, pulse recordings cannot be used in place of a stethoscope to determine diastolic pressure.
When using a pulse oximeter, pay attention to whether the oxygen level is lower than in previous measurements or if it is decreasing over time. Measurement changes or trends may be more meaningful than a single measurement. Over-the-counter (OTC) products available in stores or online are not intended for medical use.
Do not rely solely on a pulse oximeter to evaluate your health or oxygen level.
Pulse oximeters are small, portable devices that use light absorption in the finger to monitor oxygen saturation and pulse rate noninvasively.
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It is impossible to estimate diastolic pressure from a finger pulse measurement. The pressure in the arteries between heartbeats, or the diastolic pressure, is when the heart is at rest.
It is not visible in the pulse waveform, which reflects only the systolic pressure, the pressure in the arteries when the heart is contracting. Therefore, a finger pulse measurement can not replace the stethoscope in determining diastolic pressure, as it can only estimate systolic pressure.
When the arm is held above the head, the finger pulse amplitude decreases. This is due to the effect of gravity on blood flow.
When the arm is raised above the head, gravity causes blood to pool in the lower extremities, reducing the amount of blood returning to the heart and thus the amount of blood being pumped out with each contraction. This decrease in blood flow leads to a decrease in pulse amplitude, and therefore it is an estimation of lower systolic pressure.
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which respresents the common conditions of all three of the following: genetic drift, the founder principle, and the bottleneck effect?
The sentence represents the common conditions of all three of the following is (b), occurs in small populations and results in a decrease in genetic diversity and/or an increase in the occurrence of specific genetic traits.
The founder principle is a principle where a new population is established with a small population that is different from its parent population because the founder of the new population is from a different place.
Genetic drift is a random process that can cause huge population changes in a short period of time. Random drift is produced by repeating tiny population numbers, catastrophic population decreases known as "bottlenecks," and founder events in which a new population begins with a small number of individuals.
Thus, the correct option is b.
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Full Question;
Which respresents the common conditions of all three of the following: genetic drift, the founder principle, and the bottleneck effect?
a.
occurs in small populations when one genetic trait becomes more common in a population purely by chance
b.
occurs in small populations and results in a decrease in genetic diversity and/or an increase in the occurrence of specific genetic traits
c.
when a small group of organisms only reproduce with each other to create a larger population of organisms
d.
when the majority of a population is killed off and there are only a few remaining organisms left to rebuild the population
The point that represents the common conditions among genetic drift, the founder principle, and the bottleneck effect is: (b) in small populations and result in a decrease in genetic diversity or an increment in a specific genetic trait.
Genetic drift is defined as the change in the frequency of genes in the population by random chance. Genetic drift usually results in the reduction of gene frequency. Genetic drift is the cause for founder principle and bottleneck effect to occur.
Genetic diversity refers to the variety of genes present in a specific area. More is the amount of different genes in that region, more is its genetic diversity.
The given question is incomplete, the complete question is:
Which represents the common conditions of all three of the following: genetic drift, the founder principle, and the bottleneck effect?
a. in small populations when one genetic trait becomes more common in a population purely by chance
b. in small populations and result in a decrease in genetic diversity and/or an increase in the occurrence of specific genetic traits
c. when a small group of organisms only reproduce with each other to create a larger population of organisms
d. when the majority of a population is decimated and there are only a few remaining organisms left to rebuild the population
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A bilayer (2 layers) of phospholipids that surrounds and encloses a cell; physical boundary between the intracellular space and the extracellular environment.
A bilayer (2 layers) of phospholipids surrounds and encloses a cell; the physical boundary between the intracellular space and the extracellular environment is the plasma membrane.
A cell is protected by its cell membrane, also known as the plasma membrane. Additionally, it offers a stable atmosphere inside the cell. And that membrane serves a variety of purposes. One is to move compounds out of the cell that is harmful as well as nutrients into the cell.
The plasma membrane mediates cellular transport, transmits cellular signals, and shields the cell from its surrounding environment. The plasma membrane is made up of phospholipids, cholesterol, proteins, and carbohydrates, according to the fluid mosaic model.
The semi-fluid living substance known as protoplasm, also known as plasm, is found inside each cell. The plasma membrane is a biological membrane that houses this living material or plasm.
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The sequence of bases TAC in human DNA codes for the amino acid methionine. Explain whether the sequence of bases TAC would code for methionine in the cat's cells.
Yes, the TAC would code for methionine in the cat's cells, as genetic code is universal.
The genetic code is made of codon that is a triplet of three codon coding for a particular amino acid. The code is universal such that one codon coding for a particular amino acid is going to remain the same across the different organism.
However, not every organism has the exact same genetic code. There are minor changes in the genetic code between various species, even though most codons are the same in all creatures. The TAC codon also codes for methionine in cats and other mammals, meaning that the cat's cells would carry methionine as part of the TAC nucleotide sequence.
Although this is true for the majority of creatures, some organisms—particularly some types of bacteria and mitochondria—can have different genetic codes.
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No, the sequence of bases TAC would not code for methionine in the cat's cells because DNA sequences are species-specific.
While the same amino acid may be coded for by the same three-base sequence in the DNA of one species, this same sequence may not code for the same amino acid in the DNA of another species. Therefore, the sequence of bases TAC would not necessarily code for methionine in the cat's cells.
The genetic code is the same in all species, but the sequences of bases that make up the code are different in different species. For example, in humans, the sequence TAC codes for the amino acid methionine, but in cats, the same sequence codes for the amino acid tyrosine.
This is because the genetic code is made of base triplets, which can code for the same amino acid in different species, but the triplets may be different. Therefore, the sequence of bases TAC would not code for methionine in the cat's cells.
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what is the glutamic acid made from transamination used for?group of answer choicesit enters the citric acid cycle.none of the choices are correct.it is used to produce atp.it is used to make other nonessential amino acids.
Glutamic acid, made from transamination ATP, can be used for several different purposes in the body. The most notable use is:
It enters the citric acid cycle. Glutamic acid can be converted into alpha-ketoglutaric acid, which then enters the citric acid cycle, also known as the Krebs cycle. Glutamic acid can be used as a precursor to make other nonessential amino acids such as proline, arginine and GABA. ATP is used to produce ATP. The citric acid cycle is one of the ways that the body produces energy in the form of ATP. It is important to note that the glutamic acid made from transamination is not only used for one specific purpose, it can be used for multiple purposes depending on the metabolic needs of the body.
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although cellulose and starch are identical in terms of stored chemical energy, our ability to harvest the energy from these two polysaccharides differs considerably. what is responsible for this difference?
Starch and cellulose are identical polymers with the same repeat units that depend on glucose and are made of the same building blocks.
There is only one difference. In starch, the glucose-repeat units are all parallel to one another. Since the sugar units in cellulose and starch are linked differently—by - linkages in cellulose and - connections in starch—their linkage is the primary distinction between the two substances. The main distinction between cellulose and starch is this. In contrast to cellulose, where each succeeding glucose unit is spun 180 degrees, starch repeat units are situated in the same direction. Compared to sugar, which is not water soluble, cellulose is thicker. Similar to starch, cellulose is a linear of glucose, but in cellulose, the glucose monomer are joined by additional chemical bonds. Because of this, cellulose is more stronger than starch and is not soluble in water.
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Starch and cellulose are similar polymers that depend on glucose and have the same fundamental building blocks as each other.
There is just one distinction. The units of glucose repetition in starch are parallel to one another. The main difference between cellulose and starch is how the sugar units are linked, which differs between the two substances. Cellulose links the sugar units together, while starch links the units together.
This is the primary difference between cellulose and starch. Each consecutive glucose unit in cellulose is spun 180 degrees, yet starch repeat units are all oriented in the same direction. Cellulose is thicker than sugar, which is not water soluble. Similar to starch, cellulose is a linear form of glucose, however unlike starch, cellulose contains connected glucose monomers.
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answer ill give u a crown
Sickle-cell anemia is an interesting genetic disease. Normal homozygous individuals (SS) have normal blood cells that are easily infected with the malarial parasite. Thus, many of these individuals become very ill from the parasite and many die. Individuals homozygous for the sickle-cell trait (ss) have red blood cells that readily collapse when deoxygenated. Although malaria cannot grow in these red blood cells, individuals often die because of the genetic defect. However, individuals with the heterozygous condition (Ss) have some sickling of red blood cells, but generally not enough to cause mortality. In addition, malaria cannot survive well within these "partially defective" red blood cells. Thus, heterozygotes tend to survive better than either of the homozygous conditions. If 9% of an African population is born with a severe form of sickle-cell anemia (ss),
what percentage of the population will be more resistant to malaria because they are heterozygous (Ss) for the sickle-cell gene?
The percentage of individuals in the population that are heterozygous (Ss) for the sickle-cell gene will be 18%.
What is population?Population is the total number of people, animals, or other living creatures in a certain area. It is typically measured by counting the number of individuals living within a given territory, and can be used to analyze population growth and density. Population estimates are often used to inform policy and decision making, such as targeted investment in public services, and the use of population data can help to understand economic, social, and health issues.
This is because for each individual with the homozygous recessive genotype (ss), there is another individual with the heterozygous genotype (Ss). Thus, for every 9% of the population with the homozygous recessive genotype (ss), there is an additional 9% with the heterozygous genotype (Ss), making the total percentage of individuals with the heterozygous genotype 18%. This means that 18% of the population will be more resistant to malaria due to their heterozygous condition.
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During the light reactions water is oxidized to O2. Where do the hydrogens go?
A. Used in the reduction of NADP+
B. Used in the synthesis of ATP by chemiosmosis
C. Diffuse out of the chloroplast and unite with O2 to form H2O
D. A and B
E. A, B and C
During the light reactions water is oxidized to O2. Hydrogens would (C) Diffuse out of the chloroplast and unite with O2 to form H2O.
The light processes convert solar energy into chemical energy, which is then stored in NADPH and ATP molecules. As a byproduct of the light processes, oxygen gas is also released.
Since they only take place in the form of light, the primary stage is known as the light reactions. These early reactions involve the usage of water and the emission of oxygen. A minuscule bit of ATP and an activity carrier known as NADPH are produced from sunlight's energy.
NADP, ADP, and solute-solvent reactants are used in the light reaction. After the light processes are finished, the molecules ATP, NADPH, and oxygen are produced, each of which is already regarded as a byproduct of photosynthesis.
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The light reactions cause the oxidation of water to O2. The chloroplast's hydrogens would (C) diffuse out and combine with oxygen to make water, or H2O.
Solar energy is transformed into chemical energy by the light processes and then stored in the NADPH and ATP molecules. The light processes also result in the release of oxygen gas.
The primary stage is referred to as the light reactions since they only manifest themselves as light. The use of water and the release of oxygen are two early responses. From the energy of sunshine, a tiny amount of ATP and an activity carrier called NADPH are created.
The light reaction employs solute-solvent reactants, NADP, and ADP. Following the completion of the light reactions, the molecules ATP, NADPH, and and oxygen are produced, each of which is already regarded as a byproduct of photosynthesis.
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which technique first produced unequivocal support for the neuron doctrine of the nervous system (as opposed to the reticular theory)?
The neuron doctrine of the nervous system, which states that the nervous system consists of individual cells, or neurons, was first unequivocally supported by the Golgi stain technique developed by Camillo Golgi in 1873.
This technique allowed for the visualization of individual neurons within a tissue sample, thus providing direct evidence for the neuron doctrine.
The Golgi stain technique involved treating a tissue sample with a silver chromate solution, which resulted in the staining of randomly selected neurons.
This allowed for the visualization of the individual neurons within the tissue, as well as their dendrites, axons, and other features.
The distinctness of the stained neurons provided evidence of the neuron doctrine, as opposed to the reticular theory which proposed that the nervous system was a continuous web-like structure.
This technique is still used today to gain insight into the structure and function of the nervous system.
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