A bacterium divides every 35 minutes. If a culture containing 105 cells/ml is grown for 175 minutes,
what will be the cell concentration per ml after 175 minutes?
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It is given that a bacterium divides every 35 minutes.
At 0 minutes, the culture contains 10
5
cells/ml
After 35 minutes, the culture will contain 2
1
x 10
5
cells /ml
Similarly, after 175 minutes, that is after 5 generations, the number of cells will be 2
5
x 10
5
cells/ml
This is equal to 32 x 10
5
cells/ml
Thus, the correct answer is '32 x 10
5
Explanation:
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