Concept explainers
(a)
Interpretation: The process which occurs during the covalent modification of an enzyme using phosphorylation reaction has to be stated.
Concept introduction: The process of covalently modifying the structure of enzyme by linking or removing a group from the amino acid within the structure of enzyme is called covalent modification. This process alters the activity of the enzyme.
(b)
Interpretation: The process which occurs during the covalent modification of an enzyme using a phosphatase enzyme has to be stated.
Concept introduction: The process of covalently modifying the structure of enzyme by linking or removing a group from the amino acid within the structure of enzyme is called covalent modification. This process alters the activity of the enzyme.
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Chapter 21 Solutions
GENERAL,ORGANIC,+BIO.CHEM.-MINDTAP
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- 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_forwardWrite 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_forward
- Which of the following is not a characteristic of enzymes? a. They are macromolecules. b. They act on substances. c. They are phospholipids. d. They initiate and decelerate chemical reactions. e. They act as catalysts.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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