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Food production

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Question 75

The diagram shows a continuous bioreactor used to cultivate the fungus Fusarium venenatum for the commercial production of mycoprotein.

Mycoprotein bioreactor

a.

Explain the importance of the water-filled cooling jacket in maintaining maximum mycoprotein yield.

[2]
b.

Prior to introducing the fungal culture and nutrients, the entire system is treated with high-pressure steam. Explain why this step is necessary.

[1]
c.

Explain the consequences on the fungal growth rate if a mechanical fault causes the stirring paddles to cease rotating.

[2]

Food production Questions

  1. IGCSE
  2. /Biology
  3. /Food production