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Biomolecules

Question
CBSEENBI11002206

Select the option which is not correct with respect to enzyme action.

  • Substrate binds with enzyme as its active site

  • Addition of lot of succinate does not reverse the inhibition of succinic dehydrogenase by malonate

  • A non- competitive inhibitor binds the enzyme at asite distinct from that which binds as the substrate

  • Malonate is a competitive inhibitor of succinic dehydrogenase

Solution

B.

Addition of lot of succinate does not reverse the inhibition of succinic dehydrogenase by malonate

Inhibition of succinic dehyrogenase by malonate is an example of competitive in inhibition.
Cometitive inhibition occurs when enzyme and inhibitor both have more or less similar structure are present in higher concentration.
Thus, both enzyme and inhibitor for competer for the acitve site of enzyme resulting to the decrease iin the enzymatic actively.