A-LevelBiologyCell structure9700/12 · May/June 2021 · Q31 Mark

Which sequence shows the correct order of some of the stages in the production and secretion of an enzyme?

AGolgi body → ribosome → rough endoplasmic reticulum → mRNA

BmRNA → smooth endoplasmic reticulum → Golgi body → vesicle

Cribosome → rough endoplasmic reticulum → vesicle → Golgi body

Dsmooth endoplasmic reticulum → mRNA → vesicle → ribosome

✓ Correct answer

C: ribosome → rough endoplasmic reticulum → vesicle → Golgi body

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Topic: Cell structure, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2021 Paper 1 Variant 2, question 3.

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