A-LevelBiologyTransport in mammalsOct/Nov 2016Paper 1 Q301 Mark
Which statement describes the effect of increased carbon dioxide concentration on the oxygen dissociation curve of human haemoglobin and its significance?
AThe curve shifts to the left allowing haemoglobin to bind more oxygen in active tissues.
BThe curve shifts to the left allowing haemoglobin to offload more oxygen in active tissues.
CThe curve shifts to the right allowing haemoglobin to bind more oxygen in active tissues.
DThe curve shifts to the right allowing haemoglobin to offload more oxygen in active tissues.
✓ Correct Answer
The correct answer is D. This question tests the candidate's understanding of transport in mammals 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