Bio-Chemistry (M.Phil./Ph.D.) 2021 Panjab University Entrance Exam With Answers

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41.

The following figures show the plot of reaction rate versus substrate concentration (mM) for an enzyme catalyzed reaction in the presence and absence of an inhibitor where 1 represents the activity without inhibitor and 2 represents activity in the presence of inhibitor. What kind of enzyme inhibition is this-

PGREF-335
A: Competitive inhibition
B: Uncompetitive inhibition
C: Noncompetitive inhibition
D: Mixed inhibition

The answer is: C