When the enzyme hexokinase binds to glucose and ATP it undergoes a conformational change. All of the following are true about this enzyme-substrate binding EXCEPT: The active site changes shape so that it binds more tightly to the substrates   The substrates are optimally positioned for the reaction to occur   The substrates become contorted or strained, which increases their reactivity   The activation energy of the reaction increases

Q: One enzyme can catalyze many different reactions as long as the specific substrates for those…

A: Enzymes are proteinaceous substances that when involved in a chemical reaction, speed up the rate of…

Q: - feedback inhibition - competitive and noncompetitive inhibition - covalent modification %3

A: A series of biochemical and physiological reactions that take place in an organism and follow a…

Q: Select all statements that are correct. Note there might be more than 1 correct statement.

A: Enzymes (E) are usually protein catalyst which catalyzes several biochemical reactions by catalyzing…

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: Many pharmaceuticals exert their action by inhibiting the activity of enzymes. Choose the false…

A: Enzyme inhibition occurs when certain substances, called inhibitors bind to and inactivate enzymes.…

Q: A transition-state analog—     resembles the active site of general acid-base enzymes.     is…

A: A transition-state analog Correct Answer is option A

Q: Another of the six enzyme classes is which of the following? enzymes catalyze. These classes include…

A: Enzyme classification: Enzymes are classified into six major classes namely hydrolases,…

Q: Description Substrate binds to enzyme at the active site. Active site of the enzyme encourages…

A: Enzymes are proteins that help to speed up chemical  reactions in the body.Substrate is a compound…

Q: BSC1010C Enzymes & Cellular Regulation Dr. Harris 17. Describe the relationship between enzyme…

A: Enzymes are biocatalysts which convert substrates into products. The enzyme activity is defined as…

Q: Classify the inhibitor characteristics according to one of three types of inhibition: reversible…

A: 1.Reversible NoncompetitiveCharacteristic: Inhibitor binds noncovalently at other than active…

Q: which of the following is a primary function of the active site of an enzyme?

A: Given: Enzymes are the largest and most specialised class of protein molecules. They are composed of…

Q: Each enzyme has a specific which is the reactant that the enzyme will act upon. Induced Fit Model of…

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Q: For the enzymatic reaction what is the effect of a substance with the same spatial conformation as…

A: Enzymes are the proteins with catalytic activity and enhance the rate of reaction by reducing the…

Q: Enzyme 3 (diagram) is involved in negative feedback inhibition. It binds ATP at an inhibitory…

A: Phosphofructokinase (PFK) is a key regulatory enzyme in the glycolysis pathway, which converts…

Q: In the absence of substrate, an allosteric enzyme that follows the concerted model has a T/R ratio…

A: Enzymes are catalytic molecules that increase the velocity of a reaction. The minimum energy needed…

Q: Please select all of the following statements that are true. Cofactors involve the use of vitamins…

A: Enzymes are biocatalyst that perform a specific chemical reaction within the living organisms.…

Q: Which of the following is/are advantages of multienzyme complexes? Which of the following is/are…

A: The objective of the question is to identify the advantages of multienzyme complexes from the given…

Q: In noncompetitive inhibition, can both the substrate and the inhibitor bind at the same time?  I…

A: Introduction: Inhibitors are substances that bind to the enzyme and slow down or inhibit enzyme…

Q: At a substrate concentration that is much greater than the KM for the reaction, which statement is…

A: The velocity of an enzyme catalyzed reaction is given by: V=Vmax×SKM+SWhere,V= velocity of the…

Q: hich of the following are advantages of quaternary structure? Choose all correct nswers 1) The genes…

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Q: Which statements are true? The transition state is the highest free energy that a reaction reaches…

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Q: Classify the items as competitive or noncompetitive inhibitors for control of enzyme action. Bind…

A: competitive inhibitors of enzyme are those that competes with the normal substrate for binding to…

Q: Consider the metabolic pathway show below that converts substrate A to B with the enzyme A-ase, B to…

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Q: If you wanted to improve the catalytic efficiency of an enzyme, would you mutate amino acid residues…

A: In the transition state, a molecule is neither a substrate nor a product. This state exists at the…

Q: Which of the following accurately characterizes enzyme active sites? (Pick two.) Active sites form…

A: he accurate characterizations of enzyme active sites are:Active sites form the greatest number of…

Q: Which of the following is characteristic of competitive inhibitors? the inhibitor could bind to the…

A: Inhibitors can be broadly classified into reversible and irreversible inhibitors. Reversible…

Q: Coenzymes function to: change the shape of enzymes, allowing different additional substrates to…

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Q: Which of the following is the most probable catalytic triad of an enzyme that follows general acid…

A: The active site of several enzymes has a catalytic trio, which is a group of three coordinated amino…

Q: Which of the following is NOT true about enzymes?     Enzyme inhibitors interact reversibly or…

A: a) Competitive inhibitors only alter Km but does not affect its Km value. The Vmax indicates the…

Q: Match the definition to the term: v Choose... Temporary molecule that is formed when substrate…

A: enzymes are biological molecules which are mainly formed of protein . they helps in reducing rate of…

Q: In the following example an enzyme is being inhibited. This is an example of Active site Inhibitor…

A: The active site of an enzyme is specialized for substrate binding. Whereas in the allosteric site,…

Q: Match the descriptions and compounds with the terms competitive, uncompetitive, and noncompetitive…

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

Q: PMSF is a protease inhibitor that binds to enzyme active site. What is the possible mode of…

A: A competitive inhibitor is a molecule that competes with the substrate to get bind to the enzyme…

Q: A catalase is an antioxidant enzyme that requires ferric ion for catalysis. Under conditions of iron…

A: - Option A- A prosthetic group is a non-amino acid component that is closely connected to the…