Which one of the following statements is not true about enzymes ?
  • A
    Enzymes work as catalysts by lowering the activation energy of a biochemical reation.
  • BThe action of enzymes is temperature and $\mathrm{pH}$ specific.
  • C
    Almost all enzymes of proteins.
  • D
    Enzymes are non-specific for a reaction and substrate.
JEE MAIN 2021, Medium
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