A-LevelBiologyNucleic acids and protein synthesis9700/12 · May/June 2010 · Q221 Mark

In a DNA molecule, the base sequence AGT codes for the amino acid serine. What is the base sequence of the anti-codon on the tRNA to which serine becomes attached?

AAGU

BGAU

CTCA

DUCA

✓ Correct answer

A: AGU

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Topic: Nucleic acids and protein synthesis, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2010 Paper 1 Variant 2, question 22.

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