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You are growing bacteria in the lab and have added a drug that stops the bacteria from growing and kills them at an hourly rate of 0.8 per capita. What is the mean lifetime of a bacterium in this population?Group of answer choices8 hours1.25 hours0.2 hours0.8 hours

Question

You are growing bacteria in the lab and have added a drug that stops the bacteria from growing and kills them at an hourly rate of 0.8 per capita. What is the mean lifetime of a bacterium in this population?Group of answer choices8 hours1.25 hours0.2 hours0.8 hours

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Solution

The mean lifetime of a bacterium in this population is 1.25 hours. This is calculated by taking the reciprocal of the death rate (1/0.8), which gives you the average lifespan of the bacteria.

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