Multiple choice

A researcher observed zone of inhibition of a fungus among bacterial colonies. He presumed it to be due to antibiotic production, which is a _______.

  1. primary metabolite

  2. secondary metabolite

  3. tertiary metabolite

  4. quaternary metabolite

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Secondary metabolite: Primary metabolites produced by microorganisms are enzymes, vitamins, etc., that are required for their own living. Secondary metabolites are antibiotics that help them to survive in their surroundings, by inhibiting other organisms.