9700/11 Biology Oct Nov 2011 Online Test | Cambridge AS and A Level MCQ
Part of the nucleotide sequence of an mRNA molecule is shown, with spaces between the codons.
CAG UAC AGC AAU CUA UAA
The translation of the codons is provided.
Which events will cause the termination of polypeptide synthesis during translation?
1) Deletion of C from the leu codon.
2) Deletion of C from the tyr codon.
3) The ribosome reaching the UAA codon.