A-LevelBiologyNucleic acids and protein synthesis9700/12 · Feb/Mar 2017 · Q271 Mark
The diagram shows the stages in the production of part of a polypeptide. Which feature of the triplet code is illustrated by the information given? [Figure 27.1]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
AAn amino acid can be coded for by more than one triplet.
BThe triplet code is non-overlapping and is only read in one direction.
CThe triplet code is universal for the DNA of all organisms.
DThere are some triplets that code for 'start' and 'stop'.
✓ Correct answer
A: An amino acid can be coded for by more than one triplet.
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