Q. The widely used antibiotic, pencillin is produced by :

A
a fungus
B
an algae
C
a bacterium
D
synthetic means
Solution:

Penicillin is a secondary metabolite of certain species of Penicillium and is produced when growth of the fungus is inhibited by stress. It is not produced during active growth. Production is also limited by feedback in the synthesis pathway of penicillin.

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