An accumulation of epidermal flakes dry or greasy is called __

The percentage of the genome that is guanine is 23.5%.

The percentage of guanine in the genome can be calculated using Chargaff's rule, which states that in DNA, the percentage of adenine equals the percentage of thymine, and the percentage of guanine equals the percentage of cytosine.

Therefore, if the genome is composed of 23% adenine, it must also be composed of 23% thymine (since A=T), leaving a total of 54% of the genome accounted for.

The remaining percentage of the genome must be composed of guanine and cytosine in equal proportions, so the percentage of guanine is 23.5% (since 54%/2 = 27%, and 27% - 23% = 4%, which is divided equally between guanine and cytosine).

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Answer:

The student's claim is correct. The process of photosynthesis involves the conversion of light energy into chemical energy stored in the form of glucose. The amount of glucose produced is directly proportional to the amount of input materials (such as carbon dioxide and water) available for the process. Therefore, any change in the amount of input materials will affect the amount of glucose produced as an output.

Answer:

A student claims that a change in the amount of an input of photosynthesis affects the

amount of glucose produced as an output of photosynthesis.

Explain the reasoning that can be used to support the student’s claim. Use evidence

from Table 2 to support your explanation.

Scoring Information

Score Description

2

Student’s response correctly explains the reasoning that can be used to

support the student’s claim, and correctly uses evidence from Table 2 to

support the explanation.

1

Student’s response correctly explains the reasoning that can be used to

support the student’s claim, but does not correctly use evidence from

Table 2 to support the explanation

0

Student’s response does not correctly explain the reasoning that can be

used to support the student’s claim or correctly use evidence from Table 2 to

support the explanation.

OR

Student’s response is blank, irrelevant, or too brief to evaluate.

Scoring Notes:

• Explanation of the reasoning that can be used to support the student’s claim

(1 point)

• Evidence from Table 2 to support the explanation (1 point)

Examples include:

• As the amount of water available to trees increases, they are able to produce

more glucose. Table 2 shows that trees in areas with higher rainfall have a larger

diameter than trees in areas with less rainfall. As energy is needed for trees to

grow, the increase in tree diameter suggests that more glucose is produced by

trees in the location with more rainfall.

Increasing the ventilation rate would decrease arterial [tex]PCO_2[/tex] to bring pH towards normal in respiratory acidosis. However, underlying causes of primary metabolic acidosis would need direct treatment.

In response to an acid-base imbalance that leads to acidosis, the ventilation rate would be increased to help bring the pH toward normal. The increase in ventilation rate would lead to a decrease in arterial [tex]PCO_2[/tex](partial pressure of carbon dioxide in arterial blood), as more carbon dioxide would be removed from the bloodstream during exhalation. This is because carbon dioxide is an acid-forming gas that can combine with water to form carbonic acid, which lowers the pH of the blood.

By increasing the ventilation rate, more carbon dioxide is removed from the body, leading to a decrease in the concentration of carbonic acid in the bloodstream. As a result, the pH of the blood increases, moving it toward a more alkaline state. This process is known as respiratory compensation, which is one of the body's mechanisms for regulating acid-base balance.

However, it's worth noting that if the acid-base imbalance is due to a primary metabolic acidosis rather than a respiratory acidosis, then respiratory compensation may not be as effective in restoring the pH to normal. In such cases, the underlying cause of metabolic acidosis would need to be addressed directly.

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During the primary survey, inadequate chest expansion requires immediate intervention first.

This is due to the fact that a lack of chest expansion indicates respiratory distress, which can be brought on by a number of ailments including allergy, asthma, chest trauma, pneumonia, or pulmonary edoema.

These disorders can cause cardiac arrest or respiratory failure if left untreated. The provision of oxygen and drugs by medical personnel can help to increase oxygenation, lessen airway obstruction, and enhance chest expansion.

In addition, they may keep an eye on vital signs, give the proper therapies, and get ready for a higher level of care if it becomes necessary.

Complete Question:

During the primary survey, which finding requires immediate intervention first?

a. Inadequate chest expansion

b. Cyanosis

c. Difficulty swallowing

d. Rapid, shallow respirations

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The production efficiency is 100%, the secondary production is 1,000 J, the trophic efficiency is 70%, the consumption efficiency is 30%, the assimilation efficiency is 57.14%, and the production efficiency is 100%.

A) Consumption efficiency (CE) is calculated as (energy used / energy available at the previous trophic level) x 100%.

CE = [(10,000 J - 7,000 J) / 10,000 J] x 100%

CE = 30%

B) Assimilation effectiveness (AE) is calculated as (energy assimilated / energy ingested) × 100 percent.

AE is equal to [(10,000 J-7,000 J-1,000 J) / (10,000 J-7,000 J)]. x 100%

AE = 57.14%

C) Production effectiveness (PE) is equal to (energy generated / energy assimilated) x 100%.

PE is equal to (7,000 J/ (10,000 J-7,000 J-1,000 J)) × 100%.

PE = 100%

D) Secondary production: SP is the sum of absorbed energy and the energy required for respiration and maintenance.

SP = (10, 000 J - 7, 000 J - 1, 000 J)

SP = 1,000 J

E) Energy at one trophic level divided by energy at the level before, multiplied by 100%.

TE = (7,000 J / 10,000 J) times 100%

TE = 70%

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The creation of organic compounds from inorganic carbon is known as "carbon fixation."

The Calvin cycle, the primary photosynthetic pathway, CO, the C4 and carbon-concentrating processes of CAM photosynthesis are all necessary for this reaction.

It is also examined whether there are any feasible techniques to alter diffusion route components to enhance gaseous flux and photosynthetic carbon uptake.

When rubisco binds to RuBP during the oxygenase process in the chloroplast, photorespiration starts. Three-carbon compound 3-PGA and two-carbon compound phosphoglycolate are the two molecules that are created.

3-PGA is a typical Calvin cycle intermediate, but because phosphoglycolate cannot enter the cycle, its two carbons are taken, or "stolen," from the cycle.

Plants put phosphoglycolate through a sequence of processes including transport between different organelles to replace some of the lost carbon. When phosphoglycolate enters this pathway, three-fourths of the carbon is retrieved, while one-fourth is lost as

The essential photosynthetic enzyme rubisco, also known as RuBP oxygenase-carboxylase, is analogous to a wonderful friend who has a bad habit. Carbon dioxide is incorporated into an organic molecule by rubisco during the carbonon fixation process.

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By monitoring the quantity of solar energy that is absorbed by vegetation and then transformed into biomass through photosynthesis, remote sensing can be used to assess and compare net primary production (NPP) among ecosystems.

The distribution of forest ecosystems, global seasonal variations in plant productivity, and the three-dimensional (3D) structure of forests have all been mapped using remote sensing.

Water for which productivity is to be assessed is enclosed in sealed white and dark bottles (bottles painted dark so light would not enter). Primary productivity can be estimated by the amount of oxygen utilised by a volume of water in a defined amount of time.

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Plants from the Mediterranean scrub/chaparral biome are more likely to grow successfully in a riverside environment than plants from a different biome in North America due to their adaptation to similar environmental conditions.

Based on the information provided in the introduction, it is more likely that plants from the Mediterranean scrub/chaparral biome would be more successful in growing in a riverside environment than plants from a different biome in North America.

This is because the Mediterranean scrub/chaparral biome is characterized by hot, dry summers and mild, rainy winters, which are similar to the conditions found in a riverside environment. The soils in riverside areas tend to be fertile and well-drained, with frequent flooding events that can provide the necessary moisture for plants to thrive. In addition, the plant species found in the Mediterranean scrub/chaparral biome are adapted to drought and fire, which are common occurrences in riverside areas.

On the other hand, plants from a different biome in North America may not be as well adapted to the specific environmental conditions found in a riverside area. For example, plants from a forest biome may not be able to tolerate the frequent flooding and well-drained soils found in a riverside environment, while plants from a desert biome may not be able to tolerate the relatively high humidity levels and lower temperatures found in a riverside environment.

Therefore, it is more likely that plants from the Mediterranean scrub/chaparral biome would be more successful in growing in a riverside environment than plants from a different biome in North America, due to their adaptation to similar environmental conditions.

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The cis Golgi network is where vesicles from the ER enter the Golgi. Here option C is the correct answer.

Vesicles from the endoplasmic reticulum (ER) are transported to the Golgi apparatus, which is a series of flattened membranous sacs called cisternae. The Golgi apparatus is responsible for processing, modifying, and sorting newly synthesized proteins and lipids before they are transported to their final destination within the cell or secreted outside the cell.

The vesicles from the ER enter the Golgi at the cis-Golgi network, which is located at the entry face of the Golgi apparatus. The cis-Golgi network is the first compartment of the Golgi and is characterized by a convex shape. It receives newly formed vesicles from the ER and is responsible for sorting and directing cargo to the appropriate destination within the Golgi.

After entering the cis-Golgi network, the vesicles move through a series of cisternae in the Golgi, progressing from the cis to the medial and then to the trans cisternae. The trans-Golgi network is located at the exit face of the Golgi and is responsible for sorting and directing cargo to their final destination, such as the plasma membrane, lysosomes, or secretion outside the cell.

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The method that reduces the volume of waste but could release toxic emissions into the atmosphere is Incineration. The correct option is B.

A technique for managing waste called incineration involves burning organic materials at high temperatures until they are reduced to ash, gases, and heat. This procedure while greatly reducing the amount of waste, also has the potential to release harmful emissions into the atmosphere such as dioxins and furans.

There is no toxic emissions release into the atmosphere during sanitary landfill, discharge to sewers, streams, and rivers, chemical treatment or biological treatment. The correct option is B.

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Mechanical control involves using physical means such as pulling, cutting, trapping, or otherwise physically removing pests from the environment. The answer is B.

Weeding involves physically removing unwanted plants from an area, while trapping gophers involves physically capturing and removing them from the area. This method of control is often effective for small-scale infestations but can be labor-intensive and costly for larger areas.

Natural control involves introducing natural predators or parasites to the area, while physical control involves altering the physical environment to deter pests. Cultural control involves using agricultural practices such as crop rotation or timing of planting to prevent pest infestations.

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Poiseuille's law is a mathematical formula that describes the relationship between the flow rate of a fluid (such as blood) through a tube (such as a blood vessel) and the factors that influence that flow. This law is important for understanding how blood flows through the circulatory system and how changes in blood vessel diameter or other factors can affect blood flow.

According to Poiseuille's law, blood flow is directly proportional to the fourth power of the radius of the blood vessel and the pressure gradient across the vessel, and inversely proportional to the length of the vessel and the viscosity of the blood. This means that even small changes in the radius of a blood vessel can have a significant impact on blood flow. For example, if the radius of a blood vessel is reduced by half, the flow rate through the vessel decreases by a factor of 16. This is because the fourth power of the radius is used in the calculation of the flow rate.

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Answer:

Explanation:

.

The deprotonation of positively charged side chains can result in the disruption of ionic interactions between amino acid residues in a protein, which can lead to protein denaturation.

This is because the presence of positive charges on side chains, such as lysine or arginine, can help to stabilize the protein structure by forming ionic interactions with negatively charged side chains or other groups.

When these positively charged side chains are deprotonated, they become negatively charged, which can disrupt the ionic interactions and destabilize the protein structure.

This disruption can cause the protein to unfold, lose its native conformation, and lose its biological activity.

Deprotonation of positively charged side chains can occur under conditions that alter the pH of the protein environment.

For example, in an acidic environment, protonated side chains can lose their proton and become negatively charged, leading to protein denaturation.

In summary, the disruption of ionic interactions between positively and negatively charged side chains can lead to protein denaturation, and this disruption can be caused by the deprotonation of positively charged side chains under certain conditions, such as changes in pH.

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Calculations of recombination frequencies between loci that are far apart on chromosomes underestimate the true genetic distance between the loci because there is an increased probability of double crossover events with increasing distance, such that a gamete can maintain the parental genotype even after many recombination events.

Recombination frequencies between two loci that are far apart on a chromosome are determined by the probability of a single crossover event occurring between them during meiosis.

However, as the distance between the loci increases, the likelihood of a double crossover event occurring between them also increases.

Double crossovers can cancel out the effect of a single crossover and result in a gamete with a genotype identical to the parental gamete, even though a crossover event did occur.

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Haydn composed the twelve symphonies that are considered the culmination of his symphonic style in the city of London. The symphonies were composed between 1791 and 1795 during Haydn's two visits to the city.

The symphonies were commissioned by Johann Peter Salomon, a German violinist and impresario who invited Haydn to London to perform and compose music. Haydn's time in London was highly productive and he composed not only the twelve symphonies but also several other works including chamber music and songs. The symphonies are known as the "London Symphonies" and are considered some of the greatest examples of classical music. They showcase Haydn's mastery of orchestration, thematic development, and use of humor and surprise. The symphonies were an enormous success in London and helped establish Haydn's reputation as one of the greatest composers of his time. The London Symphonies are still performed and recorded today and continue to be beloved by classical music lovers around the world.

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The amount of gas that is dissolved in the ocean is controlled by three main processes is Henry's law , temperature and salinity.

Henry's Law: Henry's Law states that the amount of gas that can dissolve in a liquid is proportional to the partial pressure of the gas above the liquid. In other words, the higher the partial pressure of the gas, the more gas can dissolve in the liquid. This means that the amount of oxygen, carbon dioxide, and other gases that dissolve in the ocean is influenced by the atmospheric concentration of those gases. When the concentration of a gas in the atmosphere increases, more of that gas will dissolve in the ocean.

Temperature: The solubility of gases in water is also affected by temperature. Generally, the solubility of gases decreases as the temperature of the water increases. This means that as the ocean warms, it is less able to dissolve gases, such as oxygen and carbon dioxide. This has important implications for ocean ecosystems, as many marine organisms depend on dissolved oxygen to survive.

Salinity: Salinity also affects the solubility of gases in the ocean. When salt is added to water, it reduces the ability of the water to dissolve gases. This means that as the salinity of seawater increases, the solubility of gases, such as oxygen and carbon dioxide, decreases. In addition, changes in salinity can also affect the density of seawater, which can influence the vertical distribution of dissolved gases in the ocean.

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Answer:

Prolactin and oxytocin are hormones that are involved in breastfeeding. Prolactin is responsible for milk production, while oxytocin is responsible for milk ejection, or the let-down reflex. These hormones are released in response to neural signals that are triggered by the act of breastfeeding.

When a baby latches onto the breast and begins to suckle, nerve impulses from the nipple are transmitted to the hypothalamus in the brain. The hypothalamus then sends signals to the pituitary gland to release prolactin and oxytocin into the bloodstream. Prolactin stimulates the milk glands in the breast to produce milk, while oxytocin causes the muscles surrounding the milk ducts to contract and push the milk out of the breast.

This neural response is triggered by the stimulation of sensory receptors in the nipple, which send signals to the brain via the nervous system. The release of prolactin and oxytocin is not under conscious control but is instead an automatic response to the act of breastfeeding.

A crucial enzyme in gluconeogenesis is fructose 1,6-bisphosphatase (FBPase).

The fructose-bisphosphate aldolase, also known as aldolase, is a glycolytic enzyme that facilitates the glycolysis metabolic pathway's conversion of fructose 1-6-diphosphate to glyceraldehyde 3-phosphate and dihydroxy-acetone phosphate.

The major regulator of gluconeogenesis is fructose-1,6-diphosphatase, which catalyses the hydrolysis of fructose-1,6-bisphosphate into fructose-6-phosphate and inorganic phosphate. Although it is expressed in many tissues, the liver and kidney are where it is most active.

It is a possible target for drugs used to treat type II diabetes. Additionally, the protein is linked to a rare genetic metabolic disorder, and certain cancer cells lack the activity of the enzyme FBPase, which encourages glycolysis and aids in the Warburg effect.

In order to treat diabetes, it is therefore important to simultaneously suppress the enzyme and restore its activity.

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Sort the molecules in the glycolysis pathway based on whether they are intermediates or products in the first half of the pathway that requires energy, or are intermediates in the second half of the pathway that produces energy.a. glucose-6-phosphateb. fructose-6-phosphatec. fructose-1,6-bisphosphated. glyceraldehyde-3-phosphate

RuBisCo (Ribulose-1,5-bisphosphate carboxylase/oxygenase) can bind both [tex]CO2[/tex] (carbon dioxide) and O2 (oxygen), even though it has a much higher affinity for CO2.

RuBisCo is the enzyme responsible for catalyzing the first step in the carbon fixation pathway of photosynthesis, where atmospheric CO2 is converted into organic molecules.

However, RuBisCo also has the ability to bind O2, which can lead to a process called photorespiration, where energy is wasted and no carbon fixation occurs. This occurs when the concentration of CO2 is low and the concentration of O2 is high, which can happen in hot and dry environments.

Therefore, the affinity of RuBisCo for CO2 is critical for efficient photosynthesis, and efforts have been made to improve the efficiency of RuBisCo and minimize the occurrence of photorespiration.

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The couple's genetics can be represented as follows: Man (Dd) and Woman (dd), where the man is heterozygous for dimples and the woman is without dimples.

In humans, dimples are inherited as a dominant trait. This means that if a person inherits at least one dominant allele (D) for dimples, they will express the trait. On the other hand, if a person has two recessive alleles (dd) for dimples, they will not express the trait.

When the man (Dd) and the woman (dd) have children, their offspring will have the following possible genotypes:

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(c) A realized niche describes the conditions of the environment in which a species is found, while a fundamental niche describes the potential environmental conditions tolerated by a species.

The realized niche is the actual broad spectrum of environmental conditions in which a species exists, whereas the fundamental niche is the full range of environmental circumstances that a species is capable of trying to occupy based on its physiological tolerance and resource availability.

The basic niche is a whole collection of circumstances under which an animal can survive and reproduce. The set of conditions used by a given animal (population, species) after interactions with other species (predation, especially competition) have been taken into account.

Because of interspecific interactions, a species' realized niche may be narrower than its fundamental niche. When resources are scarce, two species cannot coexist in the same niche indefinitely.

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The correct probability of a child receiving the recessive allele from both heterozygous parents would be 1/4 or 25% only if both parents are carriers (Hh) and the trait follows a simple Mendelian inheritance pattern with a single gene controlling the trait.

The statement "each child of two heterozygous parents has a 1/4 chance of receiving the recessive allele from both parents" is not entirely accurate.

In general, if both parents are heterozygous for a particular gene, meaning they have one dominant allele and one recessive allele, there are three possible genotypes for their offspring:

Homozygous dominant (HH): The child receives the dominant allele from both parents. In this case, the child does not express the recessive trait.

Heterozygous (Hh): The child receives one dominant allele from one parent and one recessive allele from the other parent. In this case, the child is a carrier of the recessive trait, meaning they do not express the trait but can pass it on to their offspring.

Homozygous recessive (hh): The child receives the recessive allele from both parents. In this case, the child expresses the recessive trait.

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Human sewage can contain bacteria, viruses, and parasites that can potentially be harmful to human health. However, these pathogens can be eliminated through various forms of treatment, such as filtration and chlorination. In contrast, chemical sewage refers to wastewater that contains pollutants such as heavy metals, solvents, and pesticides, which can be toxic to human health and the environment. Unlike pathogens, these pollutants cannot be destroyed through standard sewage treatment processes, and they can persist in the environment for many years. Therefore, chemical sewage is generally considered more harmful than human sewage.

Arctic sedge would have the greatest amount of energy available to it, as it is the primary producer in the food chain and captures the most energy from the sun through photosynthesis. The arctic hare and the rough-legged hawk receive progressively less energy as they are higher up in the food chain.

~~~Harsha~~~

Answer:

The arctic sedge

Explanation:

As energy flows through an ecosystem, only about 10% of the energy is passed on. Since the energy flow begins with the arctic sedge, it experiences the least energy loss, thus it has the greatest amount of energy available.

Ganglionic blockers bind with nicotinic acetylcholine receptors (nAChRs) on autonomic ganglia postganglionic neurons. These receptors are a component of the cholinergic system, which is in charge of signal transmission between preganglionic and postganglionic nerve cells in the system known as the autonomic nervous system (ANS).

Nicotinic acetylcholine receptors are ligand-gated ion channel receptors that open in response to preganglionic neurons binding acetylcholine (ACh). This causes an influx of cations such as sodium (Na+) and calcium (Ca2+), which causes an action potential to be generated in the postganglionic neuron, resulting in the release of neurotransmitters that activate the target organs.

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As per the information given, both John and Cathy have normal color vision, and Cathy gives birth to a colorblind son after 10 years of marriage. Based on this information alone, John's claim of nonpaternity may not be justified.

Colorblindness is a genetic condition that is usually inherited in an X-linked recessive manner. This means that the gene for color vision is located on the X chromosome, and males have one X chromosome from their mother and one Y chromosome from their father, while females have two X chromosomes (one from each parent). If Cathy carries the gene for colorblindness on one of her X chromosomes and John does not carry the gene for colorblindness, it is still possible for their son to inherit the gene for colorblindness from Cathy and be colorblind.

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In the laboratory assay on digestion of the protein BAPNA by trypsin, the purpose of including a tube with trypsin alone is to serve as a control for the experiment.

This control helps to identify any background activity or interference that may occur in the absence of BAPNA. By comparing the results from the tube with trypsin alone to those with both trypsin and BAPNA, you can accurately assess the specific activity of trypsin in protein digestion and eliminate any non-specific effects.

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The β-oxidation of fatty acids is a metabolic process that occurs primarily within the mitochondria of the cell.

Here, correct option is C.

It is a vital process for the cellular breakdown of fatty acids, and is necessary for the generation of energy from these large molecules. Fatty acids enter the mitochondria, where they are broken down into smaller molecules by enzymes.

This process is known as β-oxidation, and it involves the removal of two-carbon fragments from the fatty acid chain, releasing energy in the form of NADH and FADH₂ molecules. These molecules are then used in the citric acid cycle to create ATP, the form of energy used by the cell.

β-Oxidation also results in the formation of acetyl-CoA, which is used in the production of other molecules, such as ketone bodies. Thus, the β-oxidation of fatty acids is essential for the production of energy, as well as for the formation of other molecules necessary for the functioning of the cell.

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D) The drug that blocks the activity of enzyme A by reversibly binding the enzyme's active site is most likely inhibiting enzyme A's activity by competitive inhibition.

When a substance, in this  illustration the  medicine, competes with the substrate for attaching to the enzyme's active  point, competitive inhibition occurs. The  medicine binds reversibly to the enzyme's active  point, blocking substrate list and suppressing enzyme  exertion.    In competitive inhibition, both the asset and the substrate can attach to the active  point of the enzyme, but the asset doesn't conduct any chemical  response and  rather prevents the substrate from binding.

This causes an increase in the enzyme's apparent Michaelis- Menten constant( Km), which is the  quantum of substrate  needed for the enzyme to achieve half its minimal  haste. Because the asset has no effect on the enzyme's minimal  haste( Vmax), it remains unaltered.

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