O-LevelBiologyGenetics & Variation5090/11 · May/June 2022 · Q401 Mark

Human insulin genes can be inserted into bacteria. The bacteria can then be cultured and will produce human insulin as a by-product. What is an advantage to a patient of using this source of insulin rather than insulin from animals?

AIt can be used to prevent the development of diabetes.

BIt will allow the pancreas to regenerate.

CThe insulin from animals has fewer side effects.

DIt is much cheaper to produce.

✓ Correct answer

D: It is much cheaper to produce.

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Topic: Genetics & Variation, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2022 Paper 1 Variant 1, question 40.

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