Biology, 17.12.2020 18:40, wrerteteT2827

A certain strain of bacteria used to be susceptible to penicillin. Today, that strain is resistant to penicillin. Which best explains this observation?
A. The bacteria needed to become resistant to survive.
B. The mutation rate in the bacteria population greatly increased.
C. The isolation of the strain caused it to become resistant.
D. A mutation occurred and was passed to future generations.

Answers: 2

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A certain strain of bacteria used to be susceptible to penicillin. Today, that strain is resistant t...