What is the difference between primary and secondary metabolites?

What is the difference between primary and secondary metabolites?
  1. Primary metabolites have identifiable functions while secondary metabolites do not.
  2. Secondary metabolites have identifiable functions while primary metabolites do not.
  3. Both primary and secondary metabolites have identifiable functions.
  4. Neither primary nor secondary metabolites have identifiable functions.

Solution

Primary metabolites have identifiable functions and play known roles in normal physiological processes, while the role or functions of all secondary metabolites in host organisms is not yet understood.

Asked in: NCERT

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