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Question

Exponential growth is expressed as

A
Lt=L0+rt
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B
L0=Lert
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C
W1=W0ert
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D
W0=W1ert
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Solution

The correct option is C W1=W0ert
Bacterial growth is divided into four phases, namely lag phase, log phase, stationary phase, and death phase. In lag phase, there is very little or no bacterial growth. In log phase, the number of bacterial cells doubles at an exponential rate. The maximum growth phase is log phase. In stationary phase, the rate of cell death is equal to the rate of cell division. The exponential growth is expressed as W1 = W0ert, where
W1 = final size
W0 = initial size
r = growth rate
t = time of growth
e = base of natural logarithms
Thus, the correct answer is option C.

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