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Cellular control

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Question 3

Which of the following processes occur during the transcription of a gene to produce RNA?

  1. breakage and (re)formation of hydrogen bonds between DNA strands
  2. formation of phosphodiester bonds between RNA nucleotides
  3. alignment of complementary tRNA molecules with mRNA codons
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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