Feedback inhibition prevents cells from
A) the harmful effects of enzyme activation by covalent modification of unneeded enzymes.
B) making products that are not needed by inhibiting the activity of enzymes in biosynthetic pathways allosterically.
C) destroying enzymes by proteolytic cleavage when they are needed in biosynthetic pathways.
D) accumulating unnecessary proteins.
E) irreversibly inhibiting critical enzymes.
Correct Answer:
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Q25: Enzyme regulation may occur by several methods.Which
Q26: Covalent modification
A)can activate an enzyme.
B)affects the activity
Q27: The induced-fit model
A)was proposed by Hans Buchner.
B)distorts
Q28: A linear relationship between Vmax and enzyme
Q29: The enzyme carbonic anhydrase catalyzes the formation
Q31: An allosteric inhibitor
A)increases the rate of substrate
Q32: A competitive inhibitor
A)binds at a site other
Q33: An example of an irreversible inhibitor is
A)a
Q34: The type of inhibitor that binds to
Q35: Saturation can be defined as
A)denaturation of an
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