Practice question

MCQ

Question

A penicillin sensitive Escherichia coli population is exposed to a lethal dose (200 µg/ml) of penicillin. Assuming density-independent mortality, which one of the following relationships would describe the number of surviving bacteria (N) over time (T)?

Options

Choose one · Correct answer highlighted

Exponential Correct Linear Sigmoidal Parabolic

Explanation

This outcome reflects microbial physiology, where growth regulation and phage life cycles follow molecular programs. Option A captures this correctly because it corresponds to prokaryotic replication strategies, consistent with textbook descriptions and experimental observations in microbiology.

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