Gene Regulation: Operons and Epigenetics · Zoology

Which enzyme is responsible for histone acetylation?

  1. DNA methyltransferase enzyme
  2. Histone deacetylase enzyme
  3. Histone acetyltransferase
  4. RNA polymerase enzyme
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Correct answer: Histone acetyltransferase

Histone acetyltransferases (HATs) transfer acetyl groups from acetyl-CoA to lysine residues on histone tails. This modification is associated with open chromatin and active transcription.

Difficulty: Medium Question 14 of 20

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