Q. Stirred-tank bioreactors have been designed for
A) Availability of oxygen throughout the process
B) Addition of preservatives to the product
C) Purification of the product
D) Ensuring anaerobic conditions in the culture vessel
Explanation
[Solution from source] A stirred-tank bioreactor uses a stirrer and a sparging system to mix the contents evenly and keep oxygen available throughout the culture. Purification and adding preservatives belong to downstream processing, not to the bioreactor. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.