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Antibiotics - Medical Science

Q1:

Which of the following event occurs during second phase of growth of P. chrysogenum?

A Synthesis of penicillin is high

B Mycelial mass increases

C pH increase

D Both (a) and (b)

ANS:D - Both (a) and (b)

Penicillin is produced when the idiophase has reached during this time growth has already halted so the question of increase in mycelial mass does not arise.