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A-LevelBiologyEnergy and respirationMay/June 2022Paper 4 Q39 Marks

Respiration is a process that results in the synthesis of ATP. The ATP can be used within the cell for energy-requiring reactions and processes. There are four stages in aerobic respiration: glycolysis, the link reaction, the Krebs cycle and oxidative phosphorylation.

Q: What topic does this question test?

This question tests Energy and respiration in A-Level Biology (syllabus code 9700). It is worth 9 marks.

📋 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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About This A-Level Biology Question

Topic

This structured question tests Energy and respiration in A-Level Biology (syllabus code 9700). It is worth 9 marks.

Source

This question appeared in the Cambridge A-Level Biology May/June 2022 examination, Paper 4 Variant 1.

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