In order for a chemostat to operate properly,what must the reservoir contain?

Question

Quizplus · Accepted Answer

A chemostat is a device used continuously to grow microorganisms in a controlled environment. In order for it to operate properly, a limiting nutrient must be present in the reservoir. The limiting nutrient is the one that runs out first, which prevents the microorganisms from growing out of control. All the other options listed may be present in the reservoir but are not essential for the proper functioning of the chemostat.

In Order for a Chemostat to Operate Properly,what Must the Reservoir