Gene Regulation: Operons and Epigenetics · Zoology

Which small RNA molecule is involved in gene silencing?

  1. tRNA
  2. rRNA
  3. siRNA
  4. hnRNA
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Correct answer: siRNA

Small interfering RNA (siRNA) is loaded into the RNA-induced silencing complex (RISC), which uses the siRNA as a guide to cleave or suppress complementary mRNA targets, resulting in post-transcriptional gene silencing.

Difficulty: Medium Question 19 of 20

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