The concentration of water is greater outside the cell than inside the cell therefore water will move out of the cell, causing it to shrivel during osmosis.
What is Osmosis?This is referred to as the process in which solvent moves from a region of low concentration to that of a high concentration through a semi permeable membrane.
In this scenario, the water outside has a higher concentration than that on the inside which means that the water will move out of the cell as it has a high concentration and shrink which is therefore why option D was chosen as the correct choice.
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describe a situation in which migration and natural selection could work in opposition to each other. think about how the net change in allele frequencies is zero
Divergent natural selection's effects on populations typically are countered by migration. It has been shown that the balance between migration and selection limits genetic divergence within populations.
How does allele frequency fluctuate as a result of natural selection?Allele frequency is also impacted by natural selection. The prevalence of an allele will rise if it confers a phenotype that makes a person more likely to live or produce more children.
High rates of gene flow can lessen the genetic divergence between the two groups, increasing homogeneity. Migrants alter the distribution of genetic diversity among populations.
When disrupting variables are absent, gene frequencies tend to stay steady from generation to generation. Mutation, among other things, can alter the natural equilibrium of gene frequencies.
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Water snakes in Lake Erie are an example of how migration and natural selection can work against each other.
What is migration and selection?The movement of genes from one location or population to another is referred to as migration. Migrational selection occurs when certain genotypes migrate more than others. The evidence for migrational selection is examined. Migration can reduce fitness by constraining local adaptation, resulting in a "migration load," which causes persistent natural selection. The movement of populations, groups, or individuals is referred to as migration. Migration allows for gene flow, or the movement of genes from one population to another.Migration causes gene transfer from one population to the next. Migration is also known as gene flow because it involves the transfer of genetic material.To learn more about migration and selection, refer to:
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when you have a severe fever, what grave consequence may occur if the fever is not controlled?when you have a severe fever, what grave consequence may occur if the fever is not controlled?change in the tertiary structure of your enzymesbinding of your enzymes to inappropriate substratesdestruction of your enzymes' primary structureremoval of amine groups from your proteinsremoval of the amino acids in the active sites of your enzymes
"Change in the folding of enzymes" is the grave consequence that may occur if the fever is not controlled.
When someone gets a fever, their body temperature is high. Infections typically cause it. If a fever is not treated, a change in the way your enzymes fold may have serious consequences. Hydrogen bonds and other weak intermolecular interactions hold enzymes in place while they are folding.
The high temperatures brought on by a fever can disrupt these relationships. Enzymes that are not folded can harm a cell because they cannot fulfill their necessary activities when they are unfolded. This is because their three-dimensional form determines how they work. Because heat accomplishes those things to proteins, the other options are not fatal outcomes of a fever.
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Proteins function best under specific pH and temperature. This is called their optimal. Which of the following are NOT true statements? Select all that apply.
Responses
Proteins all have the same function because they have the same structure.
Proteins have different function but are all the same structure.
Proteins have different structures that lead to different functions.
Proteins can change their structures to fit the desired functions.
Answer: The first two are wrong. The unique chain/sequence of amino acid monomers that form a polypeptide monomer are what fold the protein into its UNIQUE shape. Proteins can be modified in the golgi apparatus to best suit their function.
(a level answer)
How many gigaton of carbon do animals produce.
Answer:
7.1 gigatons of CO2 equivalent per year
Explanation:
which characteristics describe the genetic code of humans? select three options.can help in development of effective medicationscan only help understand human geneticscan help explain genetic diseasescomposed of about 19,000 genescomposed of 23 chromosomes
It can help in development of effective medications, can help explain genetic diseases and composed of about 19,000 genes.
The study of genes, genetic diversity, and inheritance in living things is the focus of the biological field of genetics. The study of genes is called genetics. From one generation to the next, our genes transmit information. The reason one child has blonde hair like their mother and their sibling has brown hair like their father, for instance, is genetic. When a mutation—a negative modification to a gene sometimes referred to as a pathogenic variant—affects your genes or when you have an insufficient amount of genetic material, genetic illnesses result. DNA, also known as deoxyribonucleic acid, makes up genes, which are responsible for your unique traits and the instructions for how cells should work. Genes contain the blueprints for life as we know it. Before you are even born, they have an impact on your growth and have an impact on everything from your personality to your appearance. Your ancestry and your risk for developing particular diseases are both determined by your genes.
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which medical imaging technique do you find most interesting? why?
Answer:
Patrick De Potter, in Clinical Ophthalmic Oncology, 2007
Content
Information on the content of the lesion (cystic or solid; homogeneous or heterogeneous) can be obtained by both CT and MR imaging techniques. Both techniques also detect the presence of fluid–fluid or fluid–air levels. When lesion density is higher than that of the vitreous, CT images identify the lesion as solid. As wide range of tissue densities on CT scans or signal intensities on MR images relate to the internal architecture and the presence of proteinaceous or blood products, it is not always possible to differentiate a solid from a cystic orbital lesion. MRI images identify tissue compounds such as melanin, methemoglobin, deoxyhemoglobin, ferritin, and proteinaceous material. Punctate or conglomerate increased densities on CT scans or foci of signal void on MRI may be seen in trauma, vascular tumors, optic nerve sheath tumors (meningioma), epithelial lacrimal gland tumors, and malignant osseous tumors (osteosarcoma). In general, MR images provide more information about the content of the lesion and than do CT images. However, CT is best suited for the detection of calcification.
the functional classification of joints is based on the type and degree of movement that they allow. what are the 3 types of joints in the functional classification?
The 3 types of joints in the functional classification are immobile joint, moveable joints and freely moveable joints.
In the field of science, synarthroses can be described as joints that are immovable.
On the other hand, those joints can move slightly and represent slight movement are called amphiarthroses.
Diarthroses can be described as joints that can move freely and completely.
Hence, based on degrees, synarthroses have no movement, amphiarthroses have little whereas Diarthroses have free movement.
Examples of synarthroses are sutures. Example of a diarthrosis is synovial joint and example of amphiarthroses are symphyses.
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1. diamond is concerned about getting all the essential amino acids from her diet. of the 20 amino acids that are commonly found in living tissues, how many of them are considered essential and cannot be made by a healthy adult?
Of the 20 amino acids, the essential amino acids are 9 in number and they cannot be made by a healthy adult.
Amino acids are the structural components that act as monomers for the synthesis of proteins. The common structure present in all the amino acids is composed of an amino group, a carboxylic group, a hydrogen atom and a variable R group, all attached to the common α-carbon.
Essential amino acids are those that cannot be made by the human body itself and are therefore required by an outside source. This source majorly is diet. The names of all the essential amino acids are: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.
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g which statements describe characteristics of stomata in plants? are cell structures that carry out photosynthesis in plants permit carbon dioxide (co2) to enter and oxygen (o2) to escape from a plant transport sugars produced in the leaves to other parts of the plant are pores enclosed by guard cells that are located on plant surfaces are tubes composed of cells that extend from plant roots to the leaves
The statements that describe the characteristics of stomata in plants are: permit carbon dioxide (co2) to enter and oxygen (o2) to escape from a plant, are pores enclosed by guard cells that are located on plant surfaces.
In the field of science, stomata can be described as structures present inside the leaf surfaces that allow the exchange of water and gases between a plant and the environment. The stomata can also be found in the stems of a plant.
The opening and closing of the stomata occur through the guard cells. When oxygen or water is to be removed from the cell, the guard cells are opened. When oxygen or water is not to be removed, the guard cells remain closed.
Stomata also allow the taking in of carbon dioxide by the leaves that is required for photosynthesis.
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Which Cranial nerve arises directly off of brain and it’s branches pass through several openings on anterior and inferior skull to innervate facial area?
Answer: The facial nerve
Explanation: It arises from the brain stem and extends posteriorly to the abducens nerve and anteriorly to the vestibulocochlear nerve. I hope this is what you're looking for.
Answer:
I think it's the facial area
Which organism in the food web would be considered both a primary consumer and a secondary consumer?
PLSSS HELP IF YOU TURLY KNOW THISS
B. Spore
Spores are unicellular, surrounded by layers of membrane to resist high temperatures, and other environmental factors.
Answer:
B. Spore
Explanation:
Spores are typically single-celled (haploid) and have thick walls so that they can resist high temperatures, humidity, and other environmental conditions.
How would a forensic scientist MOST accurately describe the chemical properties of a cup of gasoline?
OA. It is liquid and weighs two pounds.
OB.
It catches fires when lit with a match.
OC. It is slightly brownish in color.
OD. It is not very dense.
Answer: A. It is liquid and weighs two pounds.
Explanation:
A provides the most details and includes a quantitative measurement however an actual cup of gasoline does not weigh 2 pounds.
Cells arise only from previously___with cells passing copies of their____ on to their daughter cells.
A) Dead cells, divided cells
B) Alive cells, proteins
C) Existing cells, genetic material
D) Alive cells, dead cells
How is gamma rays used or found in our everyday
lives or in certain industries?
Answer:
Gamma rays are used in medicine (radiotherapy), industry (sterilization and disinfection) and the nuclear industry. Remember it is very important to shield against gamma rays since they can cause diseases to skin or blood, eye disorders and even cancers.
Explanation:
if a bacterial cell is competent, it means that a. it is ready to undergo transduction b. the bacterium is ready to conjugate c. the bacterium is able to replicate its dna and undergo cell fission. d. the bacterium can import free dna fragments from the environment. e. two of the above are correct
Option d.) Bacteria can take up free fragments of DNA from the environment. This is the correct answer.
Competent cells are bacterial cells that take up extrachromosomal DNA or plasmids from the environment. Competent cell generation can be done in two ways- natural competence and artificial competence. Natural competence is the genetic ability of bacteria to take up environmental DNA under natural or in vitro conditions. Bacteria can also be artificially rendered capable of being temporarily permeabilized by DNA through chemical treatment and heat shock. Natural Competence dates back to 1928, when Frederick Griffith discovered that thermal cells prepared from pathogenic bacteria could transform non-pathogenic cells into pathogenic cells.
However, natural capacity and transformation are valid for linear molecules such as chromosomal DNA, but not for circular plasmid molecules.
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What makes plants wilt?
A. A lack of motility that would usually come from the nucleus
B. A lack of stablity that would usually come from the ribosomes
C. A lack of turgor pressure that would usually come from water stored in the central vacuole
*Brainliest* Plsss the correct answer :) TY
Answer:
I think the answer is C
Explanation:
Sorry if I'm wrong.
Answer: B
Explanation: Dehydration
What is the most critical part of developing an action plan? Responses stating when and how often the steps will be done stating when and how often the steps will be done, developing a plan B in case of failure developing a plan B in case of failure, identifying role models who have achieved the goal identifying role models who have achieved the goal, evaluating personal skills to execute the action plan
The most critical part of developing an action plan is stating when and how often the steps will be done stating when and how often the steps will be done. The correct option is A.
What is action plan?An action plan is a document that outlines the steps that must be taken to achieve a specific goal.
When you specify when and how frequently you will participate in your action plan, you are essentially making a promise to yourself to achieve that goal.
It is critical to do so because you will know exactly what you will do, how you will do it, and when you will do it.
Identifying role models is not critical because it frequently leads to low self-esteem and unrealistic goals, which may make you feel worse about the entire plan if you fail to meet the standards that role model did.
Thus, the correct option is A.
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reductive evolution is the choose one: a. loss or mutation of dna encoding unselected traits. b. evolutionary decrease in body size of organisms over time. c. decrease in species number over time due to extinction. d. opposite of oxidative evolution.
Reductive evolution is the a. loss or mutation of DNA encoding unselected traits.
In the field of biology, reductive evolution can be described as an evolution in which microorganisms have the capability to delete certain genes from their genomes.
As a result of reductive evolution, the DNA becomes downsized as a part of DNA is lost.
Reductive evolution is a degenerative kind of evolution by which genes for unselected traits are removed.
In microorganisms, this process usually occurs when the microorganism is engulfed by a predator or when a microorganism is living in a restrictive state.
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Explain how Pasteur’s experiment was set up and what we determined from it.
Pasteur's experiment determined that micro-organisms could not arise from inanimate matter under the conditions prevailing on Earth during Pasteur's lifetime.
Pasteur set up broth and added the nutrient broth to the bottle, the bottleneck he bent into an S-shape, and boiled the broth to kill any microbes present. After the broth had been sterilized, Pasteur broke off the swan necks of several bottles to expose the nutrient broth they contained to the air from above.
The remaining piston remained intact. Broth quickly turned cloudy. However, the broth in the intact flask remained clear. Without the introduction of dust to which microbes could move, life would not have arisen. Pasteur thus disproved the concept of spontaneous generation.
Pasteur's experiments showed that conditions similar to those on primordial Earth may have existed or now exist on other celestial bodies in our solar system and elsewhere.
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Explain how social and economic groups (the working class, middle class, and upper class) experienced city life and culture similarly and differently.
The working class, middle class, and upper-class experience city life and culture similarly in that they all are subject to the noise, hustle, and ever-hectic life of the city.
The working class, middle class, and upper-class experience city life and culture differently because they have different purchasing power and time to spend on the luxuries city life has to offer.
What are the experiences and culture of city life?Living in the city, whether one belongs to the working class, middle class, or upper-class subjects one to the constant noise and pollution of city life.
The ever-busy culture of city life affects all in the city.
However, due to differences in their social and economic status, the upper class usually has more luxuries to enjoy in the city than either the middle class or working class. For example, attending concerts will be more for the upper class, with few opportunities for the middle class and almost none for the working class.
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in your small groups, brainstorm some ideas that could test our next question: How do antibiotics
affect bacteria when they are put together?
What experimental variables are you
comparing?
What factors or variables of your experiment
should you keep the same or controlled?
The variables to test how antibiotics affect bacteria when they are put together include the rate of bacterial growth by the unit of time, while controlled conditions include the temperature and light in all treatments.
What is a controlled variable?A controlled variable is any condition during an experimental procedure that must stay the same for all treatments in order to observe a given outcome and the specific relationships between the independent variable (in this case the unit of time) and the dependent variable (in this case the bacterial growth rate).
The controlled variable should ideally remain the same because it allows us to make comparisons between different treatments.
Therefore, with this data, we can see that a controlled variable is any variable in an experiment that remain with the same condition for all types of treatments and thus allow us to make comparisons.
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when experimenting with the growth of a plant, a scientist uses three of the same species of plant, two different fertilizers, equal light, and equal water. the scientist performs their experiment for a total of 3 weeks and measures the total height of each plant. in this experiment which would be considered the independent variable?
Plant growth is a dependent variable that is measured. Type of fertiliser is independent (variable).
Because they typically examine the impact of fertiliser, water, and sunlight, this scenario is under control. The latter two ideas offer an explanation for the second portion of the query.
2. It is not a direct thesis and cannot be regarded as a theory because it is frequently backed by hypotheses.
3. By looking at the graph and noting that it depicts the plant expanding, you can determine that the y-axis is measuring the plant's growth
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Answer:
Explanation:
A dependent variable that is measured is plant growth and the independent variable is the fertilizer type.
This situation is under control because they normally look at how fertilizer, water, and sunlight affect things.
The last two hypotheses provide a justification for the second part of the question.
Because it is frequently supported by hypotheses, it cannot be regarded as a theory and is not a straightforward statement.
You can see that the y-axis is monitoring the plant's growth by glancing at the graph and observing that it shows the plant growing.
What factors are present in an experiment on plant growth?
Examples include the amount of water each plant receives, the type of soil the plants are growing in, and the air temperature.
You couldn't be certain that the outcomes happened as a result of the amount of sunlight each plant received if any of these factors changed during the experiment.
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The tendency to respond to a conditioned stimulus that is similar, but not identical, to the original conditioned stimulus is called _____.
The tendency to respond to a conditioned stimulus that is similar, but not identical, to the original conditioned stimulus is called Stimulus generalization.
Stimulus generalization is the capacity to react in a new situation using a strategy learned in previous, comparable situations. The difficulty lies in determining which aspects of the learning circumstances ought to be applied to all circumstances.
The phenomenon is known as stimulus generalization when an organism's response that was conditioned by one stimulus can be elicited by another stimulus with the same properties. A stimulus that has the potential to elicit a conditioned response is known as a conditioned stimulus. In the experiment that has been described, the ringing of the bell served as both the conditioned stimulus and the conditioned response. It is essential to comprehend the transformation of the neutral stimulus into the conditioned stimulus.
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Acid-Base Balance Cases pH = 7.50 CO2 = 47 HCO3- = 32 Is it acidosis, alkalosis or neither? Is the problem respiratory or metabolic in nature? Metabolic in nature. Is there any compensation occurring? Has the body tried to fix the problem?
answer and explanation
this question required us to interpret the atrial blood gas data provided.
from the information provided, this case is a case of alkalosis because the pH reading is 7.50. pH values less that 7.35 indicate acidosis and pH levels greater that 7.45 indicate a case of alkalosis.
this is a metabolic alkalosis because the HCO3 value is greater than 22 and it is fully compensated because of the high CO2
in the meselson-stahl experiment, what was the expected composition of dna molecules after one round of replication, if the conservative model was correct?
Each DNA molecule would have a single density since it would be made up of 3/4 light and 1/4 heavy sections.
What does DNA stand for?Deoxyribonucleic acid, a polymer made of two chains that coil around one another to form a double helix, is necessary for all known creatures, including many viruses, to develop, function, grow, and reproduce.
Nucleic acids include things like DNA and ribonucleic acid.
Deoxyribonucleic acid, or DNA, is the molecule that contains the genetic data necessary for an organism to develop and perform its functions.
DNA is shaped like a double helix, which consists of two connected strands that loop around one another to resemble a twisted ladder.
DNA contains the atoms adenine (A), cytosine (C), guanine (G), and thymine (T) (T).
Therefore, each DNA molecule would have a single density since it would be made up of 3/4 light and 1/4 heavy sections.
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which is structure is correctly paired with its ploidy level? group of answer choices megaspore: diploid microsporangium: haploid megasporocyte: diploid microspore: diploid
The ploidy level is correctly paired with
a. microsporangium: haploid
This is because the microsporangium as a spore is haploid cell but it is derived from a diploid cell.
Here megaspore should be haploid
Microspore: haploid
Megasporocyte: haploid
Hence the correct answer is a. Microsporangium: haploid.
What are the different ploidy levels of an ovule?
The nucellus, a collection of parenchymatous cells, makes up the ovule's body. comparable to megasporangium (2n). A diploid(2n) cell called a megaspore mother cell, also known as a megasporocyte, goes through meiosis to create a linear tetrad of four haploid megaspores (n). The only functional megaspore often found is the chalazal megaspore, with the other three degenerating.
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What should scientists include when making a model to study a system?
Scientists include a model of a system that should include all of the relevant variables in the system, as well as the relationships between those variables. The model should be as simple as possible while still accurately representing the system.
Who is a scientist?
A scientist is someone who does scientific study to enhance knowledge in a particular field. Scientists are inspired to work in a variety of ways. Many people want to know why the world is the way it is and how it came to be.
Scientists aid in our understanding of the world. They observe the occurrences around us, collect data on what they observe, and evaluate that data to develop laws and rules governing how the world operates. Knowing the rules is essential if you want to play a game well.
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a scientist adds a retrograde marker to the neurons in the superior colliculus of a monkey. the marker labels cell bodies. in which layer of the visual cortex would the scientist expect to find the marker?
In the 5th layer of the visual cortex would the scientist expect to find the marker.
Do memories include the visual cortex?
Small receptive fields and responses to fundamental components of the visual scene are characteristics of primary visual cortex neurons. However, current research indicates that the primary visual cortex also contributes to cognitive functions including working memory and visual perception.
The visual cortex is the main part of the brain in charge of receiving, integrating, as well as processing visual information from the retinas. It is situated in the occipital lobe of the primary cerebral cortex, the most backward region of the brain.
Therefore, in the 5th layer of the visual cortex would the scientist expect to find the marker.
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What is RNA primer?
What is the sugar phosphate backbone?
Answer:
a=
Primer RNA is RNA that initiates DNA synthesis. Primers are required for DNA synthesis because no known DNA polymerase is able to initiate polynucleotide synthesis. DNA polymerases are specialized for elongating polynucleotide chains from their available 3′-hydroxyl termini.
b=
The sugar-phosphate backbone forms the structural framework of nucleic acids, including DNA and RNA. This backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.