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JIPMER 2009
Exam
JIPMER
Year
2009
Subject
Botany
Chapter
Cell Cycle and Cell Division

JIPMER 2009 · Botany · Cell Cycle and Cell Division

A bacterium divides every 35 minutes. If a culture containing 10^5...

A bacterium divides every 35 minutes. If a culture containing 10510^5 cells (/ \mathrm{ml}) is grown in 175 minutes, what will be cell concentration after that period

Options

  1. A(35 \times 10^5)
  2. B(5 \times 10^5)
  3. C(32 \times 10^5)
  4. D(175 \times 10^5)

Correct answer

D. (175 \times 10^5)

Step-by-step solution

As we know that bacterium divided after every 35 minutes through simple mitotic division therefore, number of divisions are 17535=5\frac{175}{35}=5 Since, one bacterium on division produces two cells so, cell concentration after 175 minutes will be =105×(2)5=32×105\begin{aligned} & =10^5 \times(2)^5 \\ & =32 \times 10^5 \end{aligned}
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