You Are a Microbiologist Working for a Pharmaceutical Company and Discover

You are a microbiologist working for a pharmaceutical company and discover a new secreted metabolite that can serve as a medication.Your company asks you to oversee the production of the metabolite.Which of the following is something that is NOT important to consider if you need to grow 5,000 liter cultures of bacteria for the purpose of harvesting the metabolite they secrete?

A) The death rate of the bacteria after stationary phase is complete.
B) The ideal rate of input of new nutrients into the culture to maintain the cells in log phase.
C) The ideal rate of pulling off some of the culture in order to maintain the cells in log phase.
D) The best way to mix the large vat in order to keep it homogenous (constant throughout) in terms of nutrients,temperature,and oxygen levels.
E) The best way to keep the pH of the entire mixture at the ideal level to promote log phase growth.