At 4:00 p.m. a closed flask of sterile broth is inoculated with 10,000 cells. The lag phase lasts 1 hour. At 9:00 p.m. the culture enters stationary phase with a population of 65 million cells. At what time is the population half maximal?
A. 6:30 p.m
B. 7:20 p.m
C. 8:20 p.m
D. 8:40 p.m
Answer: D
Microbiology
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