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The semilog of per minute growing bacteria is plotted against time. What will be the shape of graph?

1. Sigmoid
2. Hyperbolic
3. Ascending straight line
4. Descending straight line

Correct answer: Ascending straight line

Solution

Bacterial growth per minute is typically exponential during the log phase. Taking the logarithm of an exponential relationship turns it into a straight line, and because the population increases with time, the line slopes upward.

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