A Microbiologist Inoculates a Growth Medium with 100 Bacterial Cells/ml

A microbiologist inoculates a growth medium with 100 bacterial cells/ml. If the generation time of the species is 1 hour, and there is no lag phase, how long will it be before the culture contains more than 10,000 cells/ml?

A) 24 hours
B) 7 hours
C) 2 hours
D) 3 hours
E) 10 hours