Biotechnology Engineering (M.Phil./Ph.D.) 2016 Panjab University Entrance Exam With Answers

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32.

A bacterial culture contained 32x10^6 cells after 2.5 hours of exponential growth. If the doubling time was 30 min, what was the initial population number in this culture ?

A: 20x10^4 cells
B: 10x10^5 cells
C: 40x10^5 cells
D: 16x10^6 cells

The answer is: B