Question
What is a requirement for the production of penicillin in a fermenter?
A adding bubbles of nitrogen gas to mix the nutrients and Penicillium
B adding the required amount of sugar as a nutrient
C ensuring no oxygen enters the fermenter so only anaerobic respiration occurs
D maintaining a constant temperature of 95 °C to prevent other microorganisms growing
Answer/Explanation
Ans
B
Question
What does Penicillium need to grow in a fermenter?
Answer/Explanation
Ans: A