Concept explainers
(a)
Interpretation:
Whether the statement, “The active site of an enzyme is the portion of the enzyme in which the catalytic properties occur” is true or false is to be stated. If false, the correct statement is to be stated.
Concept introduction:
Enzymes are organic molecules present in the cells which catalyze biochemical reactions. They speed up the
(b)
Interpretation:
Whether the statement, “The induced fit model explains why one enzyme helps many reactions to occur faster” is true or false is to be stated. If false, the statement is to be re-written.
Concept introduction:
Enzymes are organic molecules present in the cells which catalyze biochemical reactions. They speed up the rate of the reaction and remain intact at the end of the reaction. All biochemical reactions in living cells require enzymes to proceed.
(c)
Interpretation:
Whether the statement, “An enzyme substrate is the material that is the product of the enzyme-catalyzed reaction” is true or false is to be stated. If false, the statement is to be re-written.
Concept introduction:
Enzymes are organic molecules present in the cells which catalyze biochemical reactions. They speed up the rate of the reaction and remain intact at the end of the reaction. All biochemical reactions in living cells require enzymes to proceed.
(d)
Interpretation:
Whether the statement, “An irreversible enzyme inhibitor cannot be removed from the enzyme’s active site” is true or false is to be stated. If false, the statement is to be re-written.
Concept introduction:
Enzymes are organic molecules present in the cells which catalyze biochemical reactions. They speed up the rate of the reaction and remain intact at the end of the reaction. All biochemical reactions in living cells require enzymes to proceed.
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Introductory Chemistry: An Active Learning Approach
- Write a brief description of the relationships among each of the following groups of terms or phrases. Answers to the Concept-Linking Exercises are given at the end of the chapter. Enzyme, enzyme substrate, active site, induced fit modelarrow_forwardDescribe the difference between graphs showing temperature versus reaction rate for an enzyme-catalyzed reaction and an uncatalyzed reaction.arrow_forwardIn the multienzyme sequence shown below, molecules of D are able to fit to the enzyme E1 and prevent the conversion of A to B. What is this action of E called? AE1BE2CE3D a. effector inhibition b. allosteric inhibition c. feedback inhibition d. competitive inhibition by nonproductarrow_forward
- The human body has an average pH of about 7 and a temperature of about 37C. Use graphs to illustrate enzyme activity in the human body as a function of the following: a. Substrate concentration b. Enzyme concentration c. pH include pH optimum value d. Temperature include temperature optimum valuearrow_forwardThe site on an enzyme molecule that does the catalytic work is called the: a. binding site. b. allosteric site. c. lock. d. active site.arrow_forwardThe process by which an enzyme acts on the substrate can be described by the: a. lock-and-key model. b. enzyme-and-substrate model. c. enzyme folding model. d. catalytic model.arrow_forward
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