Pseudomonas aeruginosa has a maximum specific growth rate of 0.8 h-1 in a medium with glucose as a growth limiting substrate. To prevent wash out, the dilution rate must be set to
Options
A. greater than 0.8 h-1
B. less than 0.8 h-1
C. equal to 0.8 h-1
D. 1.6 h-1
Correct Answer
less than 0.8 h-1
More questions
1. Which category of enzymes belongs to class two in the international classification?
4. Two continuous bioreactors containing the same organisms, fed with the same feed at the same dilution rate were compared. Reactor 1 started with an initial concentration of glucose of 10 g.l-1, while reactor 2 contained 0.1 g.l-1 of glucose at the start of the process then at steady state
Options
A. the concentration of glucose in reactor 1 would be greater than that in reactor 2
B. the concentration of glucose in reactor 1 would be equal to reactor 2
C. the concentration of glucose in reactor 1 would always be zero.
D. the concentration of glucose in reactor 1 would be less than that in reactor 2
9. At 25°C, the saturation concentration of oxygen in water is 1.26 mmol/l and the partial pressure of oxygen is 1 atm. The Henry's law constant will be