$**$Objective Question $($Chemical Engineering$)$:$**$

Which statement accurately describes the principles of bioreactor design and their applications in producing biofuels, enzymes, and pharmaceuticals?

A$)$ Bioreactor design principles are not applicable in the production of biofuels, enzymes, or pharmaceuticals.

B$)$ Bioreactor design focuses solely on maximizing energy consumption and minimizing efficiency in producing biofuels, enzymes, and pharmaceuticals.

C$)$ Bioreactor design principles are essential for optimizing conditions such as temperature, pH$,$ and oxygen supply to support microbial growth and enhance production of biofuels, enzymes, and pharmaceuticals.

D$)$ Bioreactor design principles primarily aim to minimize product yield and quality in the production of biofuels, enzymes, and pharmaceuticals.