Which one of the following statements is incorrect about enzyme catalysis?

  • A
    Enzymes are mostly proteinous in nature.
  • B
    Enzyme action is specific.
  • C
    Enzymes are denatured by ultraviolet rays and at high temperature.
  • D
    Enzymes are least reactive at optimum temperature.

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How do enzymes catalyse a chemical reaction in the living system? Explain drug-target interaction taking the example of an enzyme as a target.

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$A$ biological catalyst is essentially

$CH_2OOCR' \newline | \newline CHOOCR'' \newline | \newline CH_2OOCR'''$ $\xrightarrow[\text{Hydrolysis}]{\text{Enzyme}} CH_2OH \newline | \newline CHOH \newline | \newline CH_2OH + R'COOH + R''COOH + R'''COOH$
The enzyme used in the above reaction is:

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