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NEET2003BotanyBiomolecules (B)Actual

An example of competitive inhibition of an enzyme is the inhibition of:

Options

  1. Asuccinic dehydrogenase by malonic acid
  2. Bcytochrome oxidase by cyanide
  3. Chexokinase by glucose-6-phosphate
  4. Dcarbonic anhydrase by carbon dioxide.

Correct answer

A. succinic dehydrogenase by malonic acid

Step-by-step solution

An example of competitive inhibition of an enzyme is the inhibition of succinic dehydrogenase by malonic acid. It is the simple type of competitive inhibition. A competitive inhibitor resembles the substrate and binds to the active site of the enzyme. The substrate is then prevented from binding to the same active site.

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