A-LevelBiologyNucleic acids and protein synthesisOct/Nov 2012Paper 1 Q231 Mark
The diagram shows the stages in the production of a polypeptide. [Figure 23.1] Which feature of the triplet code is illustrated by the information given?
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'.
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The correct answer is A. This question tests the candidate's understanding of nucleic acids and protein synthesis within the Biologysyllabus. The examiner's mark scheme requires...
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