Biology 9700 · AS & A Level · Proteins

Proteins — practice question

These events take place during transcription. By the time the mRNA leaves the nucleus, which of these events will have happened twice?

  • A1 and 2 only
  • B1, 3 and 4 only
  • C2, 3 and 4 only
  • D1, 2, 3 and 4

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