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A-LevelBiologyNucleic acids and protein synthesis9700/12 · May/June 2020 · Q231 Mark

How many statements are true for semi-conservative replication of DNA in a eukaryotic cell? 1 The process takes place in the nucleus. 2 Adenine will line up against uracil on the complementary strand. 3 Each new molecule will contain one strand of the original molecule. 4 If the original molecule contained 40% guanine each new molecule will contain 20% guanine.

A1
B2
C3
D4

✓ Correct answer

B: 2

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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 2020 Paper 1 Variant 2, question 23.

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