Salivary glands secrete amylase, which causes starch to break down into maltose in the mouth. As a result, the adaptation to find food sources that provide rapid energy is salivary amylase secretion.
Three pairs of salivary glands are the parotid, submaxillary, and sublingual. Saliva is a viscous fluid that is produced by salivary glands. Saliva contains two enzymes called salivary amylase and lysozyme.Salivary amylase detects maltose by dissolving starch. As a result, the mouth is where carbohydrate digestion starts. The antimicrobial and antibacterial characteristics of lysozyme.Starch-containing food molecules have long been important parts of the human diet. The amylase enzyme (AMY) genes are heavily selected in every generation due to the high sugar content of the human diet.The pancreas and salivary glands both express these genes. Since sugar molecules supply more immediate energy than protein and fat, the presence of amylase in the saliva facilitates the quickest possible digestion of these molecules. The use of foods high in starch has led to the development of the adaption.Learn more about the Human digestive system with the help of the given link:
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Why are there Inany different cell types in the human body if they all contain identical DNA?
Basically, although all cells in the human body have the same DNA, they have different genes in that DNA turned on or off to change what proteins are produced, and thus that cell's structure and function
It is evident that no two cells are the same. For instance, it is clear that the cells in our eyes and heart function extremely differently from one another. Our skin and liver cells share the same characteristics. the cells in our brain and muscles. Or any of the over 300 other cell types.
Because they employ the same set of genes in various ways, these cells differ from one another. Therefore, despite the fact that each of our cells has roughly 20,000 identical genes, each cell may choose which genes to "turn on" and which to keep "shut off.
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The pancreas, an organ present in some animals, produces enzymes used elsewhere in the animals’ digestive systems. Describe the type of cell structure(s) that might produce these enzymes
Answer: Rough endoplasmic reticulum and Golgi apparatus
Explanation: The organelles responsible for producing enzymes in the pancreas are the rough endoplasmic reticulum and Golgi apparatus. Pancreas have an increased number of these organelles, compared than other cells. The reason why they have more rough ER and Golgi apparatus is because these organelles are making, sorting and packaging large amounts of enzymes in the form of proteins. These enzymes are secreted by the pancreas to aid in the digestion.
ADH and epinephrine act as hormones when released into the bloodstream and as neurotransmitters when released in synapses between neurons. What is similar about the endocrine glands that produce these two molecules?
Similar about the endocrine glands that produce these two molecules
Fusion of neural and non-neural tissue results in the formation of the pituitary and adrenal glands.
The neurotransmitter effects region of the pituitary gland secretes ADH, and the neurosecretory region of the adrenal gland secretes epinephrine.
By contrasting neurotransmitter effects with those of another class of chemical signals—the hormones generated by the endocrine system—we can better understand the unique properties of neurotransmitters. Target cells affected by hormones are often located far from the hormone-secreting cell. In order to accomplish this "activity at a distance," hormones are released into the bloodstream. Neurotransmitters, however, always act over a considerably smaller area. Transmitters work over distances of less than a micron at numerous synapses when they bind exclusively to receptors on the postsynaptic cell that directly supports the presynaptic terminal.
Other synapses have local neurotransmitter diffusion that modifies the electrical characteristics of several postsynaptic (and occasionally presynaptic) cells close to the presynaptic release sites.
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PLEASE HELP ME OUT
is a car a living or non living thing? Explain why
Answer: non living
Explanation:
because it's not alive
The FitnessGram PACER Test is a multistage aerobic capacity test that progressively gets more difficult as it continues.
The test is used to measure a student's aerobic capacity as part of the FitnessGram assessment. Students run back and forth as many times as they can, each lap signaled by a beep sound. The test get progressively faster as it continues until the student reaches their max lap score.
The PACER Test score is combined in the FitnessGram software with scores for muscular strength, endurance, flexibility and body composition to determine whether a student is in the Healthy Fitness Zone™ or the Needs Improvement Zone™.
The genome of prokaryotes is contained within the cell's chromosome and plasmids.
a. true
b. false
The statement 'the genome of prokaryotes is contained within the cell's chromosome and plasmids' is true.
In the field of science, prokaryotes can be described as organisms that lack a well-defined nucleus. Other membrane-bound organelles are also absent in a prokaryotic cell.
The bacterial chromosome contains genetic material as a single molecule referred to as a chromosome. This genetic material is present inside the nucleoid region. Prokaryotes have extrachromosomal rings which are referred to as plasmids. The plasmids of a prokaryote are present distinctively from the chromosome of the prokaryote.
The plasmid of prokaryotes has the ability to replicate independently. It is due to the characteristics of a plasmid that it is being used widely today as a vector in recombinant DNA technology.
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A client is admitted to the health care facility with active tuberculosis (tb). what intervention should the nurse include in the client's care plan?
As well trained nurse, the intervention which should be included in the client's care plan who is admitted to the health care facility with active tuberculosis (tb) is:
Putting on an individually fitted mask when entering the client's room.
Option c is the correct answer.
Putting on this fitted mask when entering the client's room is very important healthcare measures in order to prevent the spread of the pathogen of the tuberculosis.
What tuberculosis healthcare?Tuberculosis healthcare are the health care measures given to patient with tuberculosis. There are also measures which must be observed by the healthcare provider
So therefore, the nursing intervention which should be included in the client's care plan who is admitted to the health care facility with active tuberculosis (tb) is:
Putting on an individually fitted mask when entering the client's room.
Complete question:
A client is admitted to the health care facility with active tuberculosis (TB). The nurse should include which intervention in the care plan?
a) Keeping the door to the client's room open to observe the client
b) Instructing the client to wear a mask at all times
c) Putting on an individually fitted mask when entering the client's room
d) Wearing a gown and gloves when providing direct care
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Where are the soft tissue structures that can be used to indicate joint effusion located on the ulnar-deviated pa axial wrist projection?
Laterally, the soft tissue structures that can be used to indicate joint effusion are located on the ulnar-deviated PA axial wrist projection. This projection allows for the visualization of the soft tissue structures on the dorsal and volar surfaces of the wrist. The ulnar deviation of the hand during this projection places the soft tissue structures in a more lateral position, allowing for better visualization.
There are a few different structures that can be used to indicate joint effusion on an ulnar-deviated PA axial wrist projection. The most obvious one is the soft tissue shadow, which will be larger than normal if there is excess fluid in the joint. Another structure that can be used is the ulnar styloid, which will be more prominent than usual if there is effusion present. Finally, the articular margins may be less well defined than usual if there is effusion present.
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Managing human consumption of natural resources so that these resources are not exhausted is called _____. multiple choice question. sustainability
Managing human consumption of natural resources so that these resources are not exhausted is called sustainability.
What is sustainability?Our natural environment influences everything we need for life and well-being, either directly or indirectly. Sustainability establishes and maintains the conditions necessary for humans and nature to coexist in a way that allows for the satisfaction of the social, economic, and other needs of both the present and the future generations. Sustainability encompasses more than just energy efficiency and renewable sources. Understanding the relationships between the economy, society, and the environment is necessary to achieve true sustainability. We must work to develop a mindset of sustainability that permeates all facets of our daily life in the local, national, and global spheres.
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the brown-headed cowbird puts its eggs in other birds’ nests. this is an example of a reflex. the brown-headed cowbird puts its eggs in other birds’ nests. this is an example of a reflex. true false
The eggs of the brown-headed cowbird are laid in other birds' nests. This serves as an example of a modal action pattern.
A MAP (Modal Action Pattern) is precisely what?
A series of behaviors that are triggered by a certain stimulus and share a genetic similarity is known as a modal action pattern. Modal action patterns are also known as fixed action patterns (FAP). According to Phung, some researchers are abandoning the term "fixed action pattern" in favor of the more flexible "modal action pattern" in order to emphasize the fact that all activities, even the most stereotyped, species-specific patterns of behavior, nonetheless display some degree of flexibility.
Examples of MAPs and FAPs include many species' mating rituals, particular aggressive behaviors, some dog breeds' pointing and herding impulses, the building of spider webs, and the act of a young bird biting an adult bird's beak to induce the older bird to vomit food. A MAP that exemplifies how adaptable these kinds of behaviors are is the activity of a bird building a nest. Birds are able to build nests "intuitively." Most people aren't aware, though, of how adaptive this behavior still is and how a bird's ability to build a nest improves through time and with practice.
So, a modal action pattern is the appropriate response.
Become familiar with the brown-headed cowbird.
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PLSSS ANSWER QUICKLY LOTS OF POINTS IF WRONG WILL BE REPORTED
In humans the kidneys control the amount of water, salts and other solutes leaving the body by sieving blood through their millions of twisted tubules. When a person drinks too much water in a short period of time, the kidneys cannot flush it out fast enough and the blood becomes waterlogged. Drawn to regions where the concentration of salt and other dissolved substances is higher, excess water leaves the blood and ultimately enters the cells, which swell like balloons to accommodate it.”
How could the process of osmosis explain this phenomenon? Support your answer with evidence from the text above.
Type your answer in the space below
The process of osmosis is used to explain the phenomenon of water and electrolyte control due to the presence of semipermeable membrane of the nephrons.
What is a kidney?A kidney is the major organ of the urinary system which is double in mammals and are located at the abdomen as a retroperitoneal organ.
The kidney has the following vital functions in the body:
Aids in water and electrolyte balanceAids in the elimination of metabolized drugs from the liver andIt helps in urine formation which contains nitrogenous wastes.The kidney is able to balance water and electrolyte (salts) through the nephrons which are the millions of twisted tubules found in the internal structure of the kidney.
The walls of the nephrons are lined with semipermeable membrane which allows the movement of water from the region of low solute concentration to the region of high solute concentration in the process of osmosis.
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Each molecule of ammonia (nh3) is made up of one nitrogen atom and three hydrogen atoms. which term best describes ammonia?(1 point) compound compound heterogeneous mixture heterogeneous mixture homogeneous mixture homogeneous mixture element element
Each molecule of ammonia (NH₃) is made up of one nitrogen atom and three hydrogen atoms. The term that best describes ammonia is: compound.
Ammonia is an inorganic molecule with a sharp pungent smell. It occurs in the gaseous state. However, it can be easily liquified when pressure is exerted. It is soluble in water. The molecule can be dangerous when comes to skin contact as it can cause blisters and burns.
Compound is a substance that is formed by the combination of two or more elements combined together in certain ratios. These elements join together by the covalent bonds due to the sharing of electrons between them.
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One or more atoms make up a(n) ____________ and are exemplified by groups of macromolecules known as carbohydrates, proteins, lipids, and nucleic acids.
One or more atoms make up a molecule and are exemplified by groups of macromolecules known as carbohydrates, proteins, lipids, and nucleic acids.
A molecule is formed by the combination or two or more than two atoms. The atoms can be of same type or they may be different. The atoms join together by bonds called covalent bonds that are formed by the sharing of electrons between them. The example of molecule is O₂, CO₂, etc.
Proteins are the polymers of amino acids. These are the most essential component of food required for body-building and repair. The protein can serve various roles like: structural, catalytic, transporters, etc.
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which of the following cellular components is considered an endotoxin that is harmless as long as the pathogen remains intact but when released by a lysed cell overstimulates host defenses, which may result in a lethal endotoxic shock?
Lipopolysaccharides is the cellular components which is considered an endotoxin that is harmless as long as the pathogen that remains intact but when they released by a lysed cell overstimulates the host defenses, which may result in the lethal endotoxic shock
A widespread of the infection causing the organ failure and they dangerously low blood pressure. the endotoxic shock is a life-threatening condition caused by the severe localised or system-wide infection that is requires immediate medical attention. the Symptoms include the low blood pressure, the pale and the cool arms and legs, chills, difficulty breathing and the decreased urine output. the Mental confusion and the disorientation may also develop quickly. Emergency treatment may also include the supplemental oxygen, intravenous fluids, and the antibiotics and other medications.
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energy given to proteins in the phospholipid layer is required for _______________
Answer:
Trans-membrane proteins.
Explanation:
hope this helps :)(:
In human populations of northern European origin, the disorder called hemochromatosis causes excess iron uptake from food and affects one in 200 adults. Among adults, men are ten times as likely as women to suffer from iron overload. Taking into account the existence of a menstrual cycle in humans, devise a hypothesis that explains this difference.
Men do not eliminate iron as frequently as women do, resulting in a high rate of iron overload.
As a result, the menstrual cycle in women allows them to lose iron through bleeding caused by uterine lining shredding, lowering their risks of getting iron excess.
What causes hemochromatosis?Haemochromatosis is caused by a defective gene that is handed down from parents to children. The majority of instances are caused by a mutation in the HFE gene, which reduces your capacity to absorb iron from diet. Normally, your body maintains a constant iron level.
Hereditary hemochromatosis is caused by a gene mutation that regulates the amount of iron your body receives from diet.
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What is the role of the hypothalamus with regard to hormone release and endocrine function?
The hypothalamus produces releasing and inhibiting hormones and controls the pituitary gland.
What is the hypothalamus?Hypothalamus acts as the main link between your endocrine and neurological systems. The hypothalamus is responsible for your body's ability to maintain homeostasis, a constant state of equilibrium.
The peripheral nervous system transmits chemical signals to the hypothalamus via nerve cells in the peripheral nervous system and brain, which also responds to signals from outside your body.
Your hypothalamus' major responsibility is to react to these impulses and keep your body steady or in a state of the internal homeostasis. Similar to how your home may have a system to perfectly coordinate all operations, your hypothalamus acts as your body's "smart control" coordination center.
Therefore, the hypothalamus produces releasing and inhibiting hormones and controls the pituitary gland.
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Which of the following sequences correctly represents the flow of electrons during photosynthesis? a. NADPH → O₂ → CO₂ b. H₂O → NADPH → Calvin cycle c. H₂O → photosystem I → photosystem II d. NADPH → electron transport chain → O₂
Answer:
H²O
Explanation:
because during photosynthesis we need water
Suppose that a snake handler bitten by a particular venomous snake species was treated with antivenin. Why might the same treatment for a second such bite have different results?
A strong immunological reaction could be brought on by a subsequent injection if the handler built up immunity to the antivenin's protein components. Additionally, the immune system of the handler may now generate antibodies that could counteract the venom.
What exactly are antibodies?When your body comes into contact with an undesirable chemical, antibodies, proteins, protect you. Your immune system produces antibodies that bind to these foreign substances and expel them from your body. An alternative name for an antibody is immunoglobulin.
What types of antibodies are there?The constant area and activity of the various kinds of antibodies vary. For instance, IgA is located in the mucous membranes lining the respiratory and gastrointestinal systems, whereas IgG, the most prevalent antibody, is primarily present in the blood and tissue fluids.
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what are the issues associated with the 4th stages of demographic transition?
The issues which are associated with the 4th stages of demographic transition is that the low birth rates associated with it may lead to a shrinking population which is a threat to many organizations who rely on population growth.
What is Population growth?This is defined as the increase in the number of people in an area over a given period of time as a result of different factors.
The 4th stage of demographic transition is characterized by low birth rates and low death rates thereby resulting in a low growth rate. Countries who belong to this category are those who have a strong economy and highly educated. The low population is the issue associated with it as there may be a deficiency in manpower needed in this area.
They don't produce children at a high rate unlike in countries where they have a weak economy and a high poverty rate.
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a scientist is researching a newly discovered animal. the scientist finds that the animal reproduces quickly and has many offspring each time it reproduces. which type of organism is it?
The type of organism is r-strategists include insects, mice, and bacteria, Therefore, the newly discovered animal
r-strategists are those who thrive in predictable environments but compete for high-quality resources whereas r-strategists are those who tolerate unpredictable conditions by using a wide variety of resourcesr-strategists is typically reproduce once, but greater allocation to reproduction than growth results in large numbers of offspring r-strategists reproduce more than once but greater allocation to growth than reproduction results in fewer offspringr-strategists have short life span, density-independent mortality, typical of a type III survivorship curve r-strategists have long life span, density-dependent mortality, typical of a type I or II survivorship curveTo know more about r-strategist visit : https://brainly.com/question/12538368
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The process of obtaining information from an opposing party prior to going to trial is known as?
The process of obtaining information from an opposing party prior to going to trial is known as discovery.
What is discovery?Discovery in legal perspective is a pre-trial phase in which evidence is gathered.
During legal investigation, the suspect is interrogated.
Discovery is the pre-trial phase in a lawsuit in which each party investigates the facts of a case, through the rules of civil procedure, by obtaining evidence from the opposing party and others by means of discovery devices.
Therefore, it can be said that the process of obtaining information from an opposing party prior to going to trial is known as discovery.
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phenylketonuria (pku) is a disease that results from a recessive gene. two normal parents produce a child with pku.
The probability that a sperm from the father will contain the PKU allele is known to be half.
The probability that an egg from the mother will contain the PKU allele is said to be half.If their next child is unaffected. the probability that this child is a carrier is known to be 2/3 chances.What is the probability that a parent with phenylketonuria will have a child that carries the gene for the trait?If there is a case where both of a child's parents are known to be carriers, there is said to be a 25% chance that both of the parent will pass on the normal PAH gene and as such 25 + 25 = 50.
Therefore, this affirm the fact that probability that a sperm from the father will contain the PKU allele is known to be half as well as the probability that an egg from the mother will contain the PKU allele is said to be half.
Since both parents are carriers of the bad PKU gene, their child will be tend to be born with the PKU disease if they get one copy of the faulty gene from each parent.
Therefore, The probability that a sperm from the father will contain the PKU allele is known to be half.
The probability that an egg from the mother will contain the PKU allele is said to be half.If their next child is unaffected. the probability that this child is a carrier is known to be 2/3 chances.Learn more about phenylketonuria from
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See full question below
Phenylketonuria (PKU) is a disease that results from a recessive gene. Affected persons are unable to metabolize the amino acid phenylalanine. Two unaffected parents produce a child affected with PKU.
a. What is the probability that a sperm from the father will contain the PKU allele?
b. What is the probability that an egg from the mother will contain the PKU allele?
c. Their second child is unaffected. What is the probability that this child is a carrier?
What is a radioactive isotope?
OA) an isotope with an electric charge
OB) an atom whose nucleus is unstable and emits particles and energy
OC) an ion with a differing number of neutrons
OD) an element that emits radiowaves
B. An atom whose nucleus is unstable and emits particles and and energy. This is a Radioactive isotope.
The atomic nuclei of constituent atoms of the same element include the same number of protons but different numbers of neutrons. Radio isotopes are an element's radioactive isotopes. They can alternatively be described as atoms with an excess of energy in their nucleus or atoms with an unstable ratio of neutrons to protons. A radioisotope's unstable nucleus can form either spontaneously or as a result of a deliberate alteration of the atom. Radioisotope production can occur using either a cyclotron or a nuclear reactor. Molybdenum-99, which has a high neutron content, can be produced most effectively in nuclear reactors, whereas fluorine-18, which has a high proton content, can be produced most effectively in cyclotrons. Uranium is the most well-known illustration of a radioisotope that is found naturally. Uranium-238 constitutes all naturally occurring uranium with the exception of 0.7%.
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What organism is always found at the base of the food chain?
Answer:
Plants are always at the base of the food chain.
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the seminiferous tubules empty into the tubuli recti, which then empty into a tubular network called the before exiting the testes.
The seminiferous tubules empty into the tubuli recti, which then empty into a tubular network called the rete testis before exiting the testes.
Seminiferous tubules- The testes include tubules called seminiferous tubules, which are typically coiled. They serve as the location for the production of spermatozoa, or male gametes. Sertoli cells, sustentacular columnar cells, and spermatogenic cells, which give birth to sperm cells, make up the epithelial lining of the seminiferous tubule.
Rete testis- At the cranial pole of the testis, right under the tunica albuginea, is a dilated intratesticular structure known as the rete testis. Additionally, it is close to the testicular artery, which supplies the testis with blood.
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An element was missing from the elephant diet to make collagen . Since the elephant's diet consists only of plant material , suggest a source for the elephant to obtain the missing element and make collagen (or any protein
The elephant then needs a supplement of proteins and vitamins in order to be able to make the collagen.
What do you need to make collagen?The term collagen refers to a type of protein that is produced by the body. We know that the body is capable of making proteins when the required materials to make the protein are available in the body.
In this case, the elephant mostly eats plant material which consists of fiber and cellulose. These source would not give the elephant what it needs for the synthesis of collagen or any proteins.
The elephant then needs a supplement of proteins and vitamins in order to be able to make the collagen.
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How does an open parachute slow a skydiver’s fall?(1 point)
The parachute increases the force opposing gravity.
The parachute increases the force opposing gravity.
The parachute changes the mass of the skydiver.
The parachute changes the mass of the skydiver.
The parachute pulls the skydiver up.
The parachute pulls the skydiver up.
The parachute weakens the force of gravity.
The parachute weakens the force of gravity.
Answer:
C.
Explanation:
Gravity applies in the same way to all objects. A and B are not correct since all objects fall at the same velocity independent of other factors. Since there is no air, D cannot be correct.
Give an example of one biotic and one abiotic factor that contribute to yearly fluctuations in the size of the human population.
An example of a biotic factor is disease caused by a pathogen; natural disasters, where earthquakes and floods is abiotic factor that contribute to yearly fluctuations in the size of the human population.
How do biotic and abiotic factors affect population ?The presence of autotrophs, or self-sustaining creatures, such as plants, and the diversity of consumers all have an impact on an ecosystem. Abiotic variables influence organisms' ability to survive and reproduce. Abiotic limiting factors limit population increase.
How can biotic factor affect population size ?Populations. A species' population number in an ecosystem is determined by biotic and abiotic variables. The amount of food accessible to that species and the number of creatures that utilise that food source are examples of biotic variables.
How can abiotic factor affect population size ?Because of population density, some abiotic limiting constraints influence members of a group. Disease, food supply, and increased predation are examples of these factors. Diseases and parasites spread more quickly in larger groups. More people means more competition for the food that is available.
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in garden peas, the allele for tall plants is completely dominant to the allele for dwarf plants and the allele for violet flower color is completely dominant to the allele for white flower color. the genes controlling each trait are on different chromosomes and are independently assorting. you cross a dwarf, white plant with tall, violet plant that is homozygous at the tall locus and heterozygous at the flower color loc
When you cross a dwarf, white plant with tall, violet plant that is homozygous at the tall locus and heterozygous at the flower color Phenotypic ratio would be 1 : 1 : 1 : 1.
What are allele ?According to leading textbooks on genetics and evolution, an allele is a variant of the same sequence of nucleotides at the same location on a lengthy DNA molecule. "A locus is the chromosomal or genomic site of a gene or other genetic element, and alleles are variant DNA sequences at a locus.
Flower color alleles in pea plants include the dominant purple allele and the recessive white allele; height alleles include the dominant tall allele and the recessive short allele; and pea color alleles include the dominant yellow allele and the recessive green allele.
Why is it called allele?The term "allele" is a short form of allelomorph, which was first used in genetics to describe various variants of a gene that were found as diverse phenotypes.
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part A
A sample of gold has mass of 38.6 grams and a volume of 2 cm3 what is the density of gold?
Part B
A sample of iron has a mass of 46.8 grams and a volume of 6 cm3 what is the density of iron?
Considering the definition of density, you obtain that:
Part A: the density of gold is 19.3 g/cm³.Part B: the density of iron is 7.8 g/cm³.Definition of densityDensity is defined as the property that allows to measure the amount of mass in a certain volume of a substance.
The expression for the calculation of density is the quotient between the mass of a body and the volume it occupies:
density= mass÷ volume
It can be deduced that density is inversely proportional to volume: the smaller the volume occupied by a given mass, the higher the density.
Density in this caseIn this case, you know that:
A sample of gold has mass of 38.6 grams and a volume of 2 cm³.A sample of iron has a mass of 46.8 grams and a volume of 6 cm³.Replacing in the definition of density:
Gold: density= 38.6 g÷ 2 cm³Iron: density= 46.8 g÷ 6 cm³Solving:
Gold: density= 19.3 g/cm³Iron: density= 7.8 g/cm³In summary, the density of gold is 19.3 g/cm³ and the density of iron is 7.8 g/cm³.
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