Neco 2023 Biology Question 3
Practice objective / multiple choice question 3 from the 2023 Neco Biology examination.
In a bacterial culture containing \(10^{8}\) cells, \(0.01\%\) of the cells initially carry a plasmid that confers resistance to antibiotic X. Each plasmid‑bearing cell can form a conjugative contact with 5 randomly chosen cells per hour, and each successful contact transfers the plasmid with probability 0.8. Assuming contacts are independent and that the number of contacts is small compared with the total population so that virtually all recipients are plasmid‑free, calculate the proportion of the total population that will carry the plasmid after 2 hours.
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About This Question
This is Neco 2023 Biology Question 3. It is one of the objective questions from the 2023 Neco Biology examination.
Difficulty level: Hard .
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