1.

Describe the important properties of enzymes. 

Answer»

Properties of enzymes

  • An enzyme like any protein has primary structure (amino acid sequence). Secondary structure and tertiary structure
  • Every enzyme has an ’active site’ which is a crevice into which the substrate fits.
  • Enzymes are specific in their action. Particular enzyme acts on a particular substrate. But different enzymes catalyse a unique chemical or metabolic reaction.
  • Enzymes generally function in a narrow range of temperature and pH. Activity declines both below and above optimum temperature and pH.
  • The higher the affinity of the enzyme for its substrate the greater is its catalytic activity.
  • The activity of an enzyme is also sensitive to the presence of specific chemicals that bind to the enzyme.
  • For eg: Inhibitors that shuts off enzyme activity and Co-factors that facilitates catalytic activity.
  • Enzymes retain their identity at the end of the reaction


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