A Mutation That Results in a Single Amino Acid Substitution

question 71

Multiple Choice

A mutation that results in a single amino acid substitution in the active site of an enzyme may have which of the following consequences?

• A)It may alter the ability of a noncompetitive inhibitor to bind to the enzyme.
• B)It may alter the ability of an allosteric regulator to effect enzyme activity.
• C)It may change the substrate specificity of the enzyme.
• D)It may change the ∆G for the original reaction catalyzed by the enzyme.

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