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Date May 2015 Marks available 1 Reference code 15M.1.HL.TZ2.10
Level Higher level Paper Paper 1 Time zone Time zone 2
Command term Identify Question number 10 Adapted from N/A

Question

Which sequence represents the order of events in protein synthesis?

Markscheme

B

Examiners report

This question was complex, because the events were not really in a sequence, therefore confusing candidates. Although A was a popular answer, the ribosome’s subunits join after the tRNA joins the methionine, therefore this is not the correct answer.

Syllabus sections

Core » Topic 2: Molecular biology » 2.7 DNA replication, transcription and translation
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