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  4. The most commonly used bioreactor is of stirring type. The stirrer facilitates:

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Q. The most commonly used bioreactor is of stirring type. The stirrer facilitates:

NTA AbhyasNTA Abhyas 2020Biotechnology : Principles and Processes

Solution:

Sterile air bubbles are sparged and mixed in sparged stirred-tank bioreactor, which increases the surface area for oxygen transfer. The stirrer ensures proper mixing and distribution of the nutrient and the oxygen for the microbes to optimize their activity.