Different antibiotics function in different ways. It is important that the antibiotic kills the bacteria, but does not harm the infected human. The antibiotic tetracycline has been found to affect the way in which human mitochondria function. Which statements could explain why human mitochondria function is affected by tetracycline?
✓ Correct Answer
The correct answer is D: The antibiotic prevents translation by binding to 70S ribosomes.
📋 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...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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