When an enzyme is competitively inhibited, which of the following changes occur?
Correct Answer: Vmax is unchanged.
Description: Features of noncompetitive inhibition:
Inhibitor have no structural resemblance to substrate.
Most irreversible (Except a few reversible non-competitive inhibition).
Excess substrate do not abolish the inhibition.
Km remains the same.
Vmax decreases.
Features of competitive inhibition:
Inhibitor will be structural analogue of substrate.
Reversible
Excess substrate abolish the inhibition.
Km increases.
Vmax remains the same.
Category:
Biochemistry
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