A-LevelBiologyNucleic acids and protein synthesisMay/June 2020Paper 1 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
The correct answer is B. This question tests the candidate's understanding of nucleic acids and protein synthesis within the Biologysyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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