Which of the following events occur during the stationary phase of bacterial growth?
P. Rise in cell number stops.
Q. Spore formation in some Gram-positive bacteria such as Bacillus subtilis.
R. Cell size increases in some Gram-negative bacteria such as Escherichia coli.
S. Growth rate of bacterial cells nearly equals their death rate.
T. Decrease in peptidoglycan cross-linking.
A. P, Q and S only
B. P, S and T only
C. Q, R and S only
D. P, R and T only
Answer: Option A
This Question Belongs to Biotechnology Engineering >> Bioprocess Engineering And Process Biotechnology
Related Questions on Bioprocess Engineering and Process Biotechnology
Which of the following techniques is best suited for immobilizing an affinity ligand?
A. Physical adsorption
B. Gel entrapment
C. Crosslinking with a polymer
D. Covalent linkage to a spacer arm
Which one of the following can not be a limiting substrate if Monod's growth kinetics is applicable?
A. Extracellular carbon source
B. Extracellular nitrogen source
C. Dissolved oxygen
D. Intracellular carbon source
A. P-2, Q-3, R-1, S-4
B. P-1, Q-2, R-4, S-3
C. P-3, Q-2, R-4, S-1
D. P-3, Q-4, R-2, S-1
A. 10 h
B. 0.2 h
C. 4.6 h
D. None of the above
Join The Discussion