Gce Model Questions Vol1 2022 Biology Question 32
Practice objective / multiple choice question 32 from the 2022 Gce Model Questions Vol1 Biology examination.
An initial bacterial culture contains \(10^{6}\) cells. Exactly 1 % of the cells carry a plasmid that confers resistance to a particular antibiotic. When the culture is exposed to the antibiotic, susceptible cells die at a rate of 90 % per hour, while resistant cells grow at a rate of 50 % per hour. Assuming these rates apply continuously and independently each hour, what proportion of the surviving bacterial population is resistant after 3 hours? Express your answer as a percentage to one decimal place.
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This is Gce Model Questions Vol1 2022 Biology Question 32. It is one of the objective questions from the 2022 Gce Model Questions Vol1 Biology examination.
Difficulty level: Hard .
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