Supplemental Quiz

1. The following data were obtained by standard plate counts during growth of E. coli in a defined medium containing glucose as the carbon source at 37^oC while shaking on an orbital platform. Calculate the number of generations and the mean generation time in log phase.

TIME	BACTERIA	TIME	BACTERIA
4:00	1.2 X 10³	10:00	6.9 X 10⁷
5:00	2.3 X 10³	11:00	6.1 X 10⁷
6:00	7.2 X 10⁴	12:00	5.7 X 10⁶
7:00	6.5 X 10⁵	1:00	6.6 X 10⁵
8:00	8.4 X 10⁶	2:00	5.5 X 10⁴
9:00	6.2 X 10⁷	3:00	2.9 X 10³

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