A-LevelBiologyNucleic acids and protein synthesis9700/12 · Oct/Nov 2015 · Q211 Mark
Ricin is a toxic protein which inactivates ribosomes. Which effect will this have on protein synthesis?
AAmino acids will be unable to bind to the binding sites on specific tRNA molecules.
BAnticodons on mRNA molecules will not base pair to codons on tRNA molecules.
CPeptide bonds will not form between adjacent amino acids in the growing polypeptide.
DRNA nucleotides will be unable to join by condensation reactions to form rRNA.
✓ Correct answer
C: Peptide bonds will not form between adjacent amino acids in the growing polypeptide.
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