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ZIMSEC A-Level Biology

8.4.3Protein synthesis

Protein synthesis in ZIMSEC A-Level Biology: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic40 practice questions2 lessons

Learning objectives

What the syllabus expects you to be able to do.

  1. 8.4.3.1Outline protein synthesis: transcription and translation, including the roles of mRNA, tRNA and ribosomes.

Lessons

  • The genetic code and transcription

    30 min

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  • Translation: from mRNA to polypeptide

    35 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Protein synthesis: sample question

1 mark

The genetic code is described as degenerate. What does this mean?

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