Oxygen can become limited in high –density cultures. This problem can be overcome by all the following methods, except;

Biotechnology Engineering (M.Phil./Ph.D.) 2019 Panjab University Entrance Exam With Answers

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13.

A: Rate of sparging can be increased

B: Pure oxygen can be introduced

C: Expression of hemoglobin gene

D: Growing cells under low pressure to increase solubility of oxygen

The answer is: D

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