A-LevelBiologyNucleic acids and protein synthesisFeb/Mar 2019Paper 1 Q51 Mark
Radioactively labelled amino acids are introduced into a cell that is actively secreting an enzyme. In which cell structure will the radioactivity first become concentrated? [Figure shows a diagram of a cell with parts labelled A, B, C, D]
AA
BB
CC
DD
✓ Correct Answer
The correct answer is A. This question tests the candidate's understanding of nucleic acids and protein synthesis within the Biologysyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
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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