A-LevelBiologyNucleic acids and protein synthesis9700/12 · Oct/Nov 2021 · Q231 Mark
The mRNA sequences of the three stop codons are shown. UAA UAG UGA Which mutation in the template (transcribed) strand of a DNA sequence that codes for a polypeptide would cause translation to stop prematurely?
AATT changed to ATC
BACT changed to ACA
CACC changed to ATT
DATC changed to TAG
✓ Correct answer
C: ACC changed to ATT
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