A-LevelBiologyNucleic acids and protein synthesis9700/12 · Oct/Nov 2011 · Q31 Mark

Ribosomes exist as separate subunits that bind together during protein synthesis. What do these subunits consist of?

AmRNA and protein

BmRNA and tRNA

CrRNA and protein

DrRNA and tRNA

✓ Correct answer

C: rRNA and protein

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Topic: Nucleic acids and protein synthesis, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2011 Paper 1 Variant 2, question 3.

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