Cell Cycle and Cell Division Question 13

13. A bacterium divides every 35 minutes. If a culture containing 105 cells per ml is grown for 175 minutes, what will be the cell concentration per ml after 175 minutes?

[1998]

(a) 5×105 cells

(b) 35×105 cells

(c) 32×105 cells

(d) 175×105 cells

Show Answer

Answer : c

Hints & Solutions

(c) 17535 min=5 divisions

Number of cells formed =(2)5×105=32×105

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