O-LevelBiologyGenetics & Variation5090/11 · Oct/Nov 2012 · Q371 Mark

Which method could not be used to produce human insulin from genetically engineered bacteria?

ABacteria are ground up and used as a source of insulin.

BInsulin is extracted from gases given off from the fermenter in which bacteria are grown.

CInsulin is extracted from homogenised bacteria.

DInsulin is extracted from the nutrient medium from a fermenter in which bacteria have been grown.

✓ Correct answer

C: Insulin is extracted from homogenised bacteria.

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Topic: Genetics & Variation, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2012 Paper 1 Variant 1, question 37.

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