When arginine is added to a culture growing exponentially in a medium w/o arginine, what occurs?
a. all cellular growth ceases
b. growth continues, but the production of enzymes required for the synthesis of arginine ceases
c. growth cont, but the prod of enzymes req for the synthesis of arginine increases
d. the cell returns to the lag stage of growth to syn the proteins necessary for the metabolism of arginine
Answer: B
Microbiology
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