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Genetics and evolution

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Question 17

During the regulation of gene expression in eukaryotic cells, various molecular components interact to control transcription and translation.

Consider the following components:

  1. The estrogen receptor
  2. The promoter sequence of a target gene
  3. The RISC-associated endonuclease enzyme
  4. Single-stranded siRNA

Which of these components consist of polypeptides?

1, 2, 3 and 4

Only 2 and 4

Only 1 and 3

Only 1, 2 and 3

Genetics and evolution Questions

  1. A Level
  2. /Biology
  3. /Genetics and evolution