A compound that binds to the surface of an enzyme, and changes its shape so that a substrate cannot enter the active site, is called a noncompetitive inhibitor.
An enzyme inhibitor is a molecule that binds to an enzyme to disrupt its normal activity. They can be divided into two categories: competitive inhibitors and noncompetitive inhibitors.
A noncompetitive inhibitor is a molecule that binds to an enzyme at a site other than the active site, causing a conformational shift in the enzyme that leads to a reduction in the enzyme's activity. The inhibitor does not compete with the substrate for access to the active site. It binds to the enzyme's allosteric site, which is distinct from the active site. The inhibitor changes the shape of the enzyme in a way that prevents the substrate from binding to the active site, lowering the rate of reaction without interfering with the enzyme's ability to bind the substrate.
Your question seems incomplete. The completed version should be as follows:
A compound that binds to the surface of an enzyme, and changes its shape so that a substrate cannot enter the active site, is called a(n)
A) irreversible inhibitor.B) proenzyme.C) cofactor.D) noncompetitive inhibitor.E) competitive inhibitor.Learn more about enzyme inhibitor at https://brainly.com/question/27748273
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PLSSSS HELP IF YOU TURLY KNOW THISSS
Which type of cloud is very close to the earth's surface?
FogThe altostartus clouds are found in the upper troposphere
The cirrus clouds are found in the troposphere
The cumulonimbus clouds are found in the lower troposphere...
which of the following is not part of bergmann's rule? group of answer choices longer limb lengths are predicted in hot climates larger body is predicted in cold climates smaller body mass is predicted in hot climates b and c only none of the above
Bergmann's rule is a biogeographic rule that states that warm-blooded animals living in colder climates will typically be larger in size than those living in warmer climates. The correct answer is option C, which is smaller body mass is predicted in hot climates.
According to Bergmann's rule, a larger body size is predicted in colder climates. This is because larger animals have a smaller surface area to volume ratio, which helps them retain heat more effectively in cold environments. Smaller animals have a larger surface area to volume ratio, which makes it harder for them to retain heat in cold environments. However, Bergmann's rule does not predict smaller body size in hot climates. Instead, it predicts longer limb lengths in hot climates. This is because longer limbs have a larger surface area to volume ratio, which helps animals dissipate heat more effectively in hot environments. Therefore, option C is the correct answer. Bergmann's rule is one of several biogeographic rules that describe patterns in the distribution and evolution of animals around the world. These rules can be useful in understanding how animals adapt to their environment and how they may respond to climate change.
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Which of the following is NOT found in saliva? A) urea and uric acid. B) electrolytes. C) lysozyme. D) protease. D) protease.
Proteases enzyme is not found in saliva , hence option 'D' is correct
The natural execration occurs from salivary gland, thus it accounts for high concentration of urea and uric acid found in saliva. Since the amount of creatinine production is consonant in 24 hours , uric acid and urea -to- creatinine ratio are better to clarify the changes of this compound concentration in saliva . Therefore option A is incorrect.
The main inorganic components are sodium , potassium, chloride, calcium, phosphate , and bicarbonate , all contributing to the ionic strength of saliva. Therefore option B is incorrect.
As an important part of the non specific immune defense mechanism , lysozyme is an important component of antibacterial in saliva. Therefore option C is incorrect.
Proteases are released by pancreas into the proximal small intestine ,where the mix with proteins already denatured by gastric secretion's and break down into amino acids. Therefore option "D" is correct.
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problem 5: in an alaskan village of inuit indians, an inordinate number of cats have 6 toes on each foot. the trait of polydactyly (many digits) is caused by a dominant allele. if 22% of the cats have 6 digits per foot, what is the allele frequency of this dominant allele in this population of cats?
The allele frequency of the polydactyly (many digits) trait in the population of cats in the Alaskan village of Inuit Indians is 0.22 (22%).
Polydactyly is caused by a dominant allele, meaning that the allele is expressed in the organism even when the organism only has one copy of it.
This means that in the population of cats, 22% of them are expressing the trait, indicating that 22% of the cats have one or two copies of the dominant allele for polydactyly.
In order for the cats to have this trait, at least one of their parents must have the same dominant allele, meaning that the parents of the cats expressing the trait must have a combined allele frequency of 0.22 (22%) or more.
The allele frequency of 0.22 (22%) is then passed on to the offspring of the cats expressing the trait, meaning that the cats expressing the trait must have a combined allele frequency of 0.22 (22%) or more.
This means that 22% of the cats in the population have either one or two copies of the dominant allele for polydactyly.
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a diploid cell has 24 chromosomes. how many chromosomes will be in each daughter cell and the end of meiosis?
Answer: 12 chromosomes
the red portion of the human lip: question 12 options: integumentary lip. has no facial markings. must be treated by hypodermic tissue building in every case. mucous membrane.
The red portion of the human lip is known as the mucous membrane. It does not have any facial markings and must be treated by hypodermic tissue building in every case.
The mucous membrane is a layer of tissue that lines various parts of the body's openings and cavities that are in contact with the outside environment. It is a moist membrane that secretes mucus, a slimy substance that assists in trapping germs and other foreign substances, as well as keeping the surface moist.
The red portion of the human lip: Mucous membrane. The red portion of the human lip is the mucous membrane. The mucous membrane of the lips is often known as the vermilion zone. It is a transition zone between the skin and the mucous membrane.
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what was the control group in this study? a the transplanted population in the killifish pools b the transplanted population in the pike-cichlid pools c the source population in the killifish pools d the source population in the pike-cichlid pools
In an ecological study involving killifish and pike-cichlid pools, the control group is the source population in the pike-cichlid pools as it did not receive any intervention in the study.
In a study, the control group refers to the group that does not receive any treatment or intervention and is used as a comparison to the experimental group. In this scenario, the source population in the pike-cichlid pools is the control group as it did not receive any intervention in the study. The study is not mentioned in the question, but based on the options provided, it is likely an ecological study involving killifish and pike-cichlid pools. The transplanted population is most likely the experimental group. The source population in the killifish pools and the source population in the pike-cichlid pools are both control groups that did not receive any intervention in the study.
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Is Lightning striking the ocean a chemical or physical change?
Answer: chemical change
Explanation:
when jeremy smith was in the shower, the hot water ran out. the cold water caused the hairs on his skin to stand up. this body response to cold is known as . group of answer choices exfoliation anhidrosis piloerection perspiration
Jeremy Smith's body response when the cold water caused the hairs on his skin to stand up is known as piloerection.
Thus, the correct answer is piloerection (D).
Piloerection in humаns is аn аutonomic response observed during а vаriety of strong emotionаl experiences, including feаr аnd аnger, аesthetic pleаsure, аwe, аnd surprise.
Piloerection, also known as goosebumps or goose pimples, is the erection of the hаir of the skin due to contrаction of the tiny аrrectores pilorum muscles thаt elevаte the hаir follicles аbove the rest of the skin аnd move the hаir verticаlly, so the hаir seems to 'stаnd on end.'
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Help with my biology please
Carbohydrates are composed of monosaccharides, proteins are composed of amino acids, and nucleic acids are composed of nucleotides.
What are the elements present and the building blocks in carbohydrates, proteins, and nucleic acids?Carbohydrates, proteins, and nucleic acids are three major classes of biomolecules that are essential for life.
Here are the elements present and the building blocks of each:
Carbohydrates:
Carbohydrates are organic molecules that contain carbon, hydrogen, and oxygen in the ratio of 1:2:1. The building blocks of carbohydrates are monosaccharides, which are simple sugars that cannot be broken down into smaller molecules. Examples of monosaccharides include glucose, fructose, and galactose.
Proteins:
Proteins are complex molecules that are made up of amino acids. Amino acids contain carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. There are 20 different types of amino acids, and they are joined together by peptide bonds to form polypeptide chains, which fold into specific three-dimensional structures to form proteins.
Nucleic acids:
Nucleic acids are macromolecules that store and transmit genetic information. They are composed of nucleotides, which are made up of a nitrogenous base, a sugar, and a phosphate group. The four nitrogenous bases in DNA are adenine, guanine, cytosine, and thymine, while in RNA, uracil replaces thymine. The sugar in DNA is deoxyribose, while in RNA, it is ribose. The nucleotides are joined together by phosphodiester bonds to form a linear chain called a polynucleotide.
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in hemoglobin mckees rocks, point mutation occurs at the codon for tyrosine (uau) to stop codon uaa. what kind of point mutation is this?
In hemoglobin mckees rocks, point mutation occurs at the codon for tyrosine (uau) to stop codon uaa. This is an example of a nonsense mutation.
A nonsense mutation is a point mutation that results in the formation of a stop codon, causing a premature end to the mRNA strand. In this example, the codon for tyrosine (UAU) is changed to a stop codon (UAA). This mutation causes the truncation of the mRNA strand, which results in the production of an incomplete and often non-functional protein.
It can have severe consequences, depending on where in the gene sequence they occur. In some cases, the mutated gene may still produce some functional protein, but not at the expected levels. In other cases, the mutated gene may produce no functional protein at all. Furthermore, a nonsense mutation may cause a gene to produce a truncated protein that is harmful to the organism.
Overall, nonsense mutations are a type of point mutation that results in a premature termination of the mRNA strand. This can have a variety of consequences, depending on where in the gene sequence the mutation occurs and the type of protein being produced.
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describe the zones of the epiphyseal plate and their functions, and the significance of the epiphyseal line.
The epiphyseal plate, also known as the growth plate, is composed of four zones: the resting zone, the proliferative zone, the hypertrophic zone, and the calcified zone. The epiphyseal line, or growth line, is the division between the epiphyseal plate and the diaphysis and is where all growth stops.
The resting zone is the first zone in the epiphyseal plate and is located at the epiphyseal side of the plate. It contains cells that are inactive but can divide to form more chondrocytes, which are essential for the formation of bone and cartilage.
The proliferative zone is the second zone and is the site of cell division and growth.
The hypertrophic zone is the third zone and is the site of most growth. It is also the site of most of the extracellular matrix mineralization, as chondrocytes in this zone produce high levels of collagen and other matrix proteins.
The calcified zone is the fourth and last zone and is composed of cells that are no longer able to divide or grow. It contains mature, mineralized cartilage.
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how does binding of complement-opsonized microbes to cr1 facilitate clearing of the microbe from the host?
The complement-opsonized microbe binds to CR1 receptors located on phagocytic cells, such as macrophages and neutrophils. This binding triggers the phagocyte to engulf the microbe and remove it from the host. The binding also helps the phagocyte to recognize the microbe, which can be beneficial in the case of microbes which do not cause damage to the host.
The binding of complement-opsonized microbe to CR1 also activates the complement cascade, which helps to remove the microbe more quickly by opsonizing additional targets and by recruiting more immune cells.
In addition, binding of the microbe to CR1 triggers release of cytokines and chemokines, which attract additional immune cells to the site of infection and activate them. This increases the chances of clearing the microbe from the host.
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In the same mouse species, a third unlinked gene (gene C/c) also has an epistatic effect on fur color. The presence of the dominant allele C (for color), allows the A/a and B/b genes to be expressed normally. The presence of two recessive alleles (cc), on the other hand, prevents any pigment from being formed, resulting in an albino (white) mouse.Matchthe phenotypes on the labels at left to the genotypes listed below. Labels can be used once, more than once, or not at all.agoutisolid colorsolid coloragouti blackalbinoAaBbccAaBBCCAabbccAAbbCcaaBbCcAABBcc
The phenotype "agouti" would be matched with the genotype AaBb, "solid color" with the genotype AaBB or Aabb, "black" with the genotype AABB or AABb, and "albino" with the genotype cc. This is because the presence of the gene C/c (epistasis) determines the fur color of the mouse, and the genotypes above show the different combinations of alleles. If two recessive alleles (cc) are present, it will result in an albino (white) mouse.
Explanation:
Physical characteristics like the fur color of a mouse are determined by the combination of genes in the organism's DNA. Epistasis is a phenomenon in which the expression of one gene affects the expression of another gene. When an organism reproduces, genes are inherited by offspring from their parents. In the context of this problem, the genes involved in determining fur color are A/a, B/b, and C/c. C is the gene that has an epistatic effect on fur color.
Here, are the matched genotypes with phenotypes: AaBbcc - agouti solid colorAaBBCC - solid colorAgouti black - AAbbCc, AaBbCcAlbino - aabbcc, aabbCc, aabbCC, aaBbcc, aaBbCc, aaBBcc.The label agouti solid color matches with the genotype AaBbcc. The solid color matches the genotype AaBBCC. The label agouti black matches with the genotypes AAbbCc and AaBbCc. The label albino matches with the genotypes aabbcc, aabbCc, aabbCC, aaBbcc, aaBbCc, and aaBBcc.
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having multiple crossovers between two genes that are far apart, and that result in the original arrangement being passed on, cause what?
When a large number of crossovers between two genes that are far apart, and that result in the original arrangement being passed on, it causes linkage disequilibrium.
What is the meaning of linkage disequilibrium?Linkage disequilibrium is a term used to describe a statistical correlation between alleles at various loci within a chromosome or between chromosomes that deviates from random associations. When alleles from various loci are inherited together more often than expected from random allele frequency distributions, this is referred to as linkage disequilibrium.
To summarize, if there are multiple crossovers between two genes that are far apart, and the original arrangement is passed on, it causes linkage disequilibrium.
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what are the possible blood types of a child whose parents have the following blood types: father, type o; mother, heterozygous for type a.
Possible blood types of a child whose parents have type O and heterozygous for type A are A and O.
The blood type of a person is determined by the type of antigen present on the surface of the red blood cells (RBCs). The ABO blood group system is a widely accepted and common method for categorizing blood types. Blood groups A, B, AB, or O are the four blood types that are commonly found in humans. Therefore, when it comes to determining the potential blood type of a child, we must first examine the parent's blood type.
We now know that the father has type O, while the mother is heterozygous for type A. This means that she has one copy of the A antigen gene and one copy of the O antigen gene. As a result, the possible blood types of a child born to such parents are A and O.
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igure
and Figure 8.13 provided below.
(a) Explain in detail the energy profile of the metabolic pathway if this was an exergonic reaction. Take
into account the impact of the enzymes.
(b) Explain in details the energy profile of the metabolic pathway if this was an endergonic reaction.
(a) If this metabolic pathway is an exergonic reaction, it means that it releases energy.
(b) If this metabolic pathway is an endergonic reaction, it means that it requires energy input to proceed.
Which energy profiles do the exergonic and endergonic reactions possess?a) The energy profile of the metabolic pathway would show that the reactants (starting molecule A) have a higher potential energy than the products (final molecule D). In other words, the energy level decreases as the reaction progresses from A to D. The energy profile would have a negative delta G (ΔG) value, indicating that the reaction is spontaneous.
The enzymes in this pathway would facilitate the reaction by lowering the activation energy required to convert reactants into products. Enzymes work by binding to the reactants and stabilizing the transition state, which lowers the energy required for the reaction to proceed. This reduces the amount of energy input needed to initiate the reaction and increases the rate of the reaction.
b) The energy profile of the metabolic pathway would show that the reactants (starting molecule A) have a lower potential energy than the products (final molecule D). In other words, the energy level increases as the reaction progresses from A to D. The energy profile would have a positive delta G (ΔG) value, indicating that the reaction is non-spontaneous and requires an energy source to drive the reaction forward.
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Complete question:
1. Consider the Figure 8.UNO1 and Figure 8.13 provided below.
(a) Explain in details the energy profile of the metabolic pathway if this was an exergonic reaction. Take into account the impact of the enzymes.
(b) Explain in details the energy profile of the metabolic pathway if this was an endergonic reaction.
on the cellular level, how is gastrulation accomplished in echinoderms, amphibians, and birds? in general terms what does gastrulation accomplish?
Gastrulation in echinoderms, amphibians, and birds is accomplished through the invagination of different cells.
In general, gastrulation is the process that reorganizes cells to form the three germ layers, which are necessary for the further development of an organism.
Gastrulation is the process in which cells rearrange to form the three germ layers: the ectoderm, mesoderm, and endoderm.
In echinoderms, gastrulation is accomplished through the process of archenteron formation, which is when the mesoderm forms from the invagination of cells from the surface of the embryo.
In amphibians, gastrulation is accomplished through blastopore closure, which is when the opening at the blastula stage of the embryo closes.
In birds, gastrulation is accomplished through the formation of the primitive streak, which is when the ectoderm folds and inwards to form a groove-like structure.
In summary, gastrulation is the first step of morphogenesis, the development of form and structure, which will determine the shape of the organism. The three germ layers will further differentiate and develop into the organs, tissues, and cells that make up the organism.
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imagine a condition where the vessels that carry blood between the lungs and the body tissues were permeable to oxygen. what would you expect to observe relative to the normal condition of low permeability to oxygen in the vessels that carry blood from the lungs to the tissues?
If the vessels between the lungs and body tissues were permeable to oxygen, there will be a decrease in the oxygen supply to the body tissues.
Normally, oxygen-poor blood from the body tissues flows into the right side of the heart, and is then pumped to the lungs where it picks up oxygen and releases carbon dioxide. The oxygen-rich blood then flows back to the left side of the heart, where it is pumped out to the body tissues to supply oxygen to the cells.
If the vessels between the lungs and body tissues were permeable to oxygen, oxygen-rich blood from the lungs would flow into the right side of the heart, mix with oxygen-poor blood from the body tissues, and then be pumped out to the body tissues.
This would result in a reduced delivery of oxygen to the tissues, as some of the oxygen-rich blood from the lungs would bypass the body tissues and flow back to the lungs.
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male american redstarts (a small species of bird) that are in the best physical condition typically are found in the species' preferred habitat. individuals in worse condition tend to be found in scrubby, secondary growth. this statement supports the:
The statement "male American Redstarts that are in the best physical condition typically are found in the species' preferred habitat. Individuals in worse condition tend to be found in scrubby, secondary growth" supports the ideal free distribution model.
The ideal free distribution model is a concept in ecology that aims to explain how organisms distribute themselves in different habitats to obtain the best possible food, resources, and habitat. This concept is a type of habitat selection model that describes how animals distribute themselves in different areas to maximize their fitness.
In summary, the statement "male American Redstarts that are in the best physical condition typically are found in the species' preferred habitat. Individuals in worse condition tend to be found in scrubby, secondary growth" supports the ideal free distribution model.
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what enzymes perform most of their work on the lagging strand, but very little on the leading strand? g
The enzymes primarily responsible for the replication of the lagging strand during DNA synthesis are DNA polymerase and DNA primase.
DNA polymerase is the enzyme that synthesizes new strands of DNA by adding nucleotides one by one in the 5' to 3' direction. DNA primase synthesizes short stretches of RNA primers, which act as starting points for DNA polymerase to bind and begin synthesis.
On the lagging strand, DNA polymerase must move backwards in order for synthesis to occur, creating an RNA primer with DNA primase at the beginning of each Okazaki fragment. DNA polymerase can then bind to this primer and begin synthesis.
Very little of this occurs on the leading strand, since DNA polymerase can move in the same direction as the leading strand.
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which of the following statements about genome sizes is true? most eukaryotes have larger genomes than most prokaryotes. the human genome is the largest and most complex. species within a phylogenetic group such as flowering plants or insects have similar genome sizes. all of the available statements are true. large animals have larger genomes than plants.
The statement which is true about genome sizes is that most eukaryotes have larger genomes than most prokaryotes. Therefore, option A is the correct answer.
However, it is not true that the human genome is the largest and most complex. Also, it is not true that large animals have larger genomes than plants. As a matter of fact, there is no correlation between an organism's size and the complexity of its genome. Species within a phylogenetic group such as flowering plants or insects may have similar genome sizes or may vary to some extent. A phylogenetic group refers to a group of species that share a common ancestor. There are three fundamental groupings of living organisms: the Archaea, the Bacteria, and the Eukarya. Eukaryotes are organisms whose cells contain a nucleus, while prokaryotes are organisms whose cells do not have a nucleus. Prokaryotes are unicellular, whereas eukaryotes are often multicellular. Hence, prokaryotes tend to have smaller genome sizes than eukaryotes.Learn more about eukaryotes: https://brainly.com/question/15418347
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you think you have discovered a new neurotransmitter, and you are studying its effect on a neuron. the reversal potential for the response caused by the new chemical is 60 mv. is this substance excitatory or inhibitory? why?
If the reversal potential for the response caused by a new chemical is +60 mV, then the substance is considered to be an inhibitory neurotransmitter.
A neurotransmitter that makes it more difficult for the receiving neuron to create an action potential is known as an inhibitory neurotransmitter. These chemicals cause the ion channels to be more permeable to potassium ions or chloride ions when they bind to receptors on the post-synaptic membrane. This increases the inside of the cell's negative charge or makes the cell less excitable.
Thus, the neurotrаnsmitter аctivаtes ion chаnnels thаt mаke the membrаne more negаtive. When the membrаne potentiаl becomes more negаtive it is less likely to fire аn аction potentiаl, which meаns it is inhibited.
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procaine (novocaine) is metabolized primarily by the group of answer choices liver. lungs. plasma. kidneys.
Answer: plasma
Explanation:
what was the first disease shown to be bacterial in origin? what was the first disease shown to be bacterial in origin? cholera malaria yellow fever tuberculosis anthrax
The first disease shown to be bacterial in origin was cholera. It is characterized by diarrhea, vomiting, and dehydration
Cholera is an acute gastrointestinal infection caused by the bacteria Vibrio cholera, which is found in contaminated water or food. In 1854, John Snow, an English physician, concluded that cholera was spread through water contaminated with feces, leading to the first scientific demonstration that a disease was caused by bacteria. This realization was an important milestone in the history of medicine, as it showed that diseases were caused by microorganisms and could be prevented and treated by controlling their environment. Cholera remains an important disease, especially in developing countries, where sanitation is often poor and water-borne diseases are common.
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6. What type of body blan do sponges have?
A. Cephalization
B.asymmetry
C.bilateral symmetry
D.radial symmetry
The Option B is correct. The body blan have the assymetry types of sponges in them
What are sponges?Sponges (Phylum Porifera) are a type of aquatic animal that lack true tissues and organs. They are considered the simplest of all animals and do not have a body plan based on symmetry.
Instead, sponges exhibit a type of symmetry known as "asymmetry," which means they have no plane of symmetry or any organization of body parts around a central axis. Therefore, the correct answer is B. asymmetry.
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when considering the transfer and capture of potential energy derived from glucose during cellular respiration, which molecule carries the smallest amount of that potential energy?
When considering the transfer and capture of potential energy derived from glucose during cellular respiration, the molecule that carries the smallest amount of that potential energy is ATP. The potential energy that is derived from glucose during cellular respiration is converted into ATP.
ATP (adenosine triphosphate) is an important organic molecule that plays a major role in the cells. It carries energy that is required by cells for several processes. It is formed by the cells in a process known as cellular respiration.
Cellular respiration occurs in three stages: glycolysis, the citric acid cycle (Krebs cycle), and electron transport chain. The main function of cellular respiration is to break down the glucose to produce ATP molecules.
During cellular respiration, the energy that is stored in glucose is released and captured in the form of ATP.ATP is an unstable molecule that contains a large amount of potential energy. It carries energy in the form of chemical bonds. When these bonds are broken, energy is released. The energy that is released from ATP is used by cells for several processes such as muscle contraction, active transport, and many other functions. Therefore, ATP is a molecule that carries the smallest amount of potential energy.
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transport of a solute across a membrane where the solute is going up its concentration gradient and using protein carriers driven by the expenditure of chemical energy, is known as
Transport of a solute across a membrane where the solute is going up its concentration gradient and using protein carriers driven by the expenditure of chemical energy is known as active transport.
What is active transport?Active transport is the movement of molecules against the concentration gradient, which means moving from lower to higher concentrations. It involves a direct energy source (ATP) to drive the movement of molecules. The active transport method involves the use of protein pumps to move molecules across the cell membrane. These pumps can help move molecules, including sodium, calcium, and potassium, against the concentration gradient, which allows the cell to regulate what enters and exits. During active transport, the cell must use energy in the form of ATP to transport the molecules.
In summary, the transport of a solute across a membrane, where the solute is going up its concentration gradient and using protein carriers driven by the expenditure of chemical energy, is known as active transport. Active transport requires energy, which is provided by the hydrolysis of ATP. Active transport is necessary because it allows the cell to maintain its internal environment despite the external environment's changes.
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what type of motor neurons ensure that the spindle continues to provide information about muscle length during muscle contraction?
Answer: Gamma motor neurons
Explanation:
Gamma motor neurons innervate the intrafusal muscle fibers to set the sensory sensitivity to static and dynamic changes in muscle length.
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meiosis divides one cell into four cells, but the resulting cells have half the amount of dna as compared to the original cell. how do you think this is possible?
During meiosis, one cell is divided into four cells, but the resulting cells have half the amount of DNA as compared to the original cell. This is because of the two cell divisions, meiosis I and meiosis II, that occur during meiosis.
During meiosis I, homologous chromosomes separate, resulting in two cells with half the number of chromosomes as the original cell.
During meiosis II, sister chromatids separate, resulting in four cells, each with half the number of chromosomes as the original cell.
In other words, the resulting cells have half the amount of DNA because meiosis results in four cells, each containing half the number of chromosomes and, therefore, half the amount of DNA as the original cell.
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