Gce Model Questions Vol1 2021 Biology Question 33
Practice objective / multiple choice question 33 from the 2021 Gce Model Questions Vol1 Biology examination.
A bacterial culture is inoculated by adding 1 mL of an overnight culture (optical density at 600 nm, OD\(_{600}\) = 0.5) into 100 mL of fresh medium. After the dilution, the initial OD\(_{600}\) of the culture is measured as 0.05. Four hours later the OD\(_{600}\) is 0.80. Assuming exponential growth during this interval and that the first 30 minutes constitute a lag phase with no cell division, calculate the generation time in minutes (to one decimal place).
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This is Gce Model Questions Vol1 2021 Biology Question 33. It is one of the objective questions from the 2021 Gce Model Questions Vol1 Biology examination.
Difficulty level: Hard .
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