Why does the velocity reach a plateau (asymptote) at high substrate concentrations?       a. At high substrate concentrations, the product becomes an inhibitor of the reaction that created it.       b. At high substrate concentrations, all enzymes are saturated with substrates.       c. At high substrate concentrations, all substrates have been converted to products.       d. At high substrate concentrations, the product concentration is high and the reaction starts running in reverse.

Q: An enzyme-substrate solution has been "poisoned" with a noncompetitive inhibitor. It is expected…

A: Enzymes can be made up of proteins or RNAs (ribozymes) and can participate in a chemical reaction…

Q: Which of the following describes a reaction that requires substrate 1 to bind the the enzyme, then…

A: Proteins are macromolecules that help in the structure and function of the living body. Enzymes are…

Q: How can a noncompetitive inhibitor affect enzyme activity without binding to the active site? a. It…

A: The substance that decreases the activity of enzyme is called enzyme inhibitor. There are two types:…

Q: rate at an extremely high temperature

A: Enzyme activity is being measure by a property of enyzme that is able to increase reaction rate as…

Q: All of the following increase enzymatic activity except a. an increase in temperature. b. an…

A: Enzymes are protein molecules which acts as a catalyst and speed up the reaction when they act on…

Q: What is it called when the final product of an enzymatic pathway acts as a modulator for the first…

A: enzymes are the biocatalyst of the reaction.

Q: You are studying the enzyme Homerase and you notice that the rate of product formation increases as…

A: In order to catalyze a reaction, enzyme will interact with one or more reactant molecules. This…

Q: Which of these statements concerning enzymes is correct?a. Enzymes increase the rate of reactions…

A: Enzymes are the substances that regulate the chemical reactions in the biological systems. Enzymes…

Q: Enzymes increase a reaction’s rate by a. changing its equilibrium constant to a more favorable…

A: Enzymes are the catalytic protein, which helps to catalyze the chemical reaction and result in the…

Q: Which statements concerning free energy change are true?a. Free energy change is a measure of the…

A: Chemical thermodynamics is the study of the interrelation of heat and work with chemical reactions…

Q: Which among the several mechanism below applies to the enzyme phenylalanine hydroxylase? A.…

A: B. Activation by phenylalaninePhenylalanine hydroxylase is activated by its substrate,…

Q: At what substrate concentration would this enzymatic reaction be operating at only 20 percent of its…

A: The Michaelis-Menten equation can be used to relate the substrate concentration to the reaction rate…

Q: compare the state of an enzyme active site at a low substrate concentration and at a high substrate…

A: The rate of the reaction depends on various parameters like The concentration of the reactants or…

Q: An allosteric site is the location on an enzyme’s surface wherea. the substrate binds.b. the signal…

A: Answer is a.)  substrate .

Q: Label the x axis in each graph below with the appropriate factor (possible factors: temperature, pH,…

A: Introduction:  Enzymes are proteins that function as biological catalysts to accelerate the rate of…

Q: In an inborn error of metabolism, a. a genetic change results in the production of a defective…

A: Introduction: The series of chemical reactions that occur in the living body jointly considered…

Q: Which of the following is incorrect about the rate of an enzyme-catalyzed reaction? O a. It does not…

A: The rate of an enzyme-catalyzed reaction depends on certain factors and one of them is concentration…

Q: Assuming an excess of substrate, if the enzyme concentration is doubled in a reaction vessel, the…

A: Reaction rate is an indication of the speed of the reaction. The reaction rate is directly…

Q: What distinguishes a linear metabolic pathway from a cyclic metabolic pathway?   A. The last step of…

A: Metabolic pathways are generally the description of the series of biochemical events that goes in…

Q: What factors contribute to the ease by which the phosphate bonds are hydrolyzed by Mg-ATPase? A. The…

A: ATPases are a group of enzymes that catalyze the hydrolysis of a phosphate bond with the help of…

Q: O C a. b. Ú Rate of Reaction d. of Reaction Rate of Reaction Rate of Reaction 100 Temperature (C)…

A: Given are four graphs depicting the relationship between rate of reaction and temperature. The best…

Q: Kinase reactions describe enzymes which _____________. a. transfer groups from one part of a…

A: Enzmyes have been categorised into 6 classes based on the reaction they catalyse. The 6 type of…

Q: Suppose two different enzymes (Enzyme X and Y) can catalyze the below reaction.…

A: Introduction Enzymes are highly specific in the type of reaction they catalyze. However, two…

Q: Some enzymes function to breakdown harmful compounds that if allowed to accumulate could cause…

A: Given that the substance if accumulated in the cell will be harmful and may even cause death until…

Q: Which of the following is TRUE about the enzymatic catalysis of a chemical reaction? A. It…

A: Enzymes are the biological catalysts that increase the rate of reaction by lowering the activation…

Q: According to the lock-and-key model of enzyme action,a. reactants must first be heated.b. enzyme…

A: The binding of the substrate to its enzyme can be described by the lock and key model or the induced…

Q: A histidine was determined to be the critical residue involved in an enzyme-catalyzed reaction. If…

A: The pKa of histidine is 6.5, which means that it is in its protonated form (His+) at pH values below…

Q: pose you have a fixed amount of the catalase enzyme. With this quantity, an experiment is made in…

A: In a reaction, enzyme binds with substrate at active site to form enzyme-substrate complex. So as…

Q: What are allosteric modulators? A. These are inhibitors that bind at sites other than the active…

A: Enzymes are protein molecules that increase the rate of reaction by decreasing the activation energy…

Q: Consider an enzyme catalyzed reaction taking place in an aqueous solution. If the earlier process of…

A: Enzymes are the biocatalyst that help in the increase in the rate of biochemical reaction. Enzymes…

Q: You are performing an enzyme kinetics experiment testing the effect of pH on reaction rate. You…

A: Enzymes are the proteins that act as biological catalyst. They catalyze a biochemical reaction…

Q: Would you expect an “enzyme” designed to bind its target substrate as tightly as it binds the…

A: Enzymes increase the rate of a reaction by decreasing the activation energy. Activation energy is…

Q: What is the active site of an enzyme?   A. Specific molecule that acts as the reactant in an…

A: Enzymes are proteins that catalyze particular chemical reactions. They accomplish this task by…

Q: ATP is high-energy storage molecule in part because: A. Its hydrolysis results in separation of…

A: Adenosine triphosphate: a. It is a complex organic chemical that transports chemical energy within…

Q: What is the role of the small organic non-protein compounds called coenzymes? A. Coenzymes are…

A: Enzymes are the biocatalyst that can increase the rate of biochemical reaction without itself being…

Q: Write a chemical equation for the reaction catalyzed in model one —— Chemical Reaction I wrote (…

A: As per bartleby honor code guidelines, we can answer only first 3 subparts of one question. Repost…

Q: How could you use the diversity of metabolic pathways that produce the same or similar products to…

A: Answer:- Steps from first to last as, 1 .A pathway exists and accomplishes some function. 2. An…

Q: Write Cif only statement A is correct, Hif only statement B is correct, Eif both statements are…

A: Enzymes are biocatalyst that are released by the specific glands and perform specific chemical…

Q: Consider the mechanism below. (i) Identify Asp X's function in the first step of the reaction. Ex…

A: Amino acids in the active site of enzymes can acts as general acids and/or general base. Amino acids…

Q: Which of the following is true about allosteric enzymes? A. Allosteric enzymes are always…

A: The enzymes that are marked with the additional binding site only and specifically for…

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.