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Cellular control

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Question 9

Which of the statements describe(s) control of gene expression at the post-translational level?

  1. phosphorylation of proteins by protein kinases
  2. ubiquitination targeting a protein for degradation
  3. acetylation of histones to loosen chromatin structure
A

1, 2 and 3

B

Only 1 and 2

C

Only 2 and 3

D

Only 1

Markscheme

Cellular control Questions

  1. A Level
  2. /Biology
  3. /Cellular control

30 exam-style questions on OCR A A Level Biology Cellular control. Each one has a worked solution and a mark scheme showing where the marks go.

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