Protein Synthesis · Botany

What is the function of 'Release Factors' (RF) during translation?

  1. To bind the promoter and start transcription
  2. To recognize stop codons and end translation
  3. To add the poly-A tail to mRNA
  4. To assist in the folding of the new protein
Show answer and explanation

Correct answer: To recognize stop codons and end translation

Release factors mimic the shape of tRNA and bind to stop codons (UAA, UAG, UGA) in the A-site. They promote the hydrolysis of the bond between the polypeptide chain and the tRNA in the P-site.

Difficulty: Medium Question 6 of 20

Practice all 20 Protein Synthesis questions

Keep practicing

More Protein Synthesis questions