A Pure Culture in Exponential Growth Phase Has a Bacterial

question 42

Multiple Choice

A pure culture in exponential growth phase has a bacterial concentration of 6.4 x 10⁸ cells/ml.If the bacterium has a generation time of 1 h,how long ago was the cell concentration 8.0 x 10⁷ cells/ml?

• A)1 h
• B)2 h
• C)3 h
• D)4 h