AQA A LEVEL BIOLOGY PAPER 2 2021

AQA A LEVEL BIOLOGY Paper 2 MS 2021 Last document update:   ago

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. Ac...