AQA A LEVEL BIOLOGY Paper 2 MS 2021
Leeds Metropolitan University (LBU)
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AQA A LEVEL BIOLOGY Paper 2 MS 2021.
- Exam (elaborations) • 20 pages • 2022
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AQA A LEVEL BIOLOGY Paper 2 MS 
2021. MARK SCHEME − A-LEVEL BIOLOGY − 7402/2 − JUNE 2021 
Question Marking Guidance Mark Comments 
1. Phosphorylation based on glucose using ATP; 
2. Oxidation based on triose phosphate to pyruvate; 
Accept all mark points 
within diagrams. 
3. Net gain based on ATP; 
4. NAD reduced; 
2. Accept removal 
based on hydrogen 
from triosephosphate 
for oxidation. 
01.1 4 max 3. Accept any 
description that 
indicates a net gain 
e.g., 4 produced, 2 
used. 
4. Acc...
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