A-LevelBiologyNucleic acids and protein synthesisFeb/Mar 2019Paper 1 Q221 Mark
Rifampicin is an antibiotic used to treat tuberculosis (TB). It works by inhibiting RNA polymerase in bacteria. Which processes are directly inhibited by this antibiotic? 1 DNA replication 2 transcription 3 ATP synthesis
A1, 2 and 3
B1 and 2 only
C1 and 3 only
D2 only
✓ Correct Answer
The correct answer is D. 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...
🔒
Unlock the Examiner's Answer
Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep