Edexcel A-Level Biology A2 7.1 Aerobic Respiration Overview Questions

Balance aerobic-respiration equations, identify glycolysis, Krebs-cycle and oxidative-phosphorylation products, and explain energy transfer and heat using marked questions.

Exam points

balance aerobic respiration equations for glucose or another stated substrate
identify products of glycolysis, the Krebs cycle and oxidative phosphorylation
explain how respiratory energy is transferred to ATP and lost as heat

[Maximum number: 2]

Aerobic respiration is made up of several stages.

Write a balanced equation for the complete oxidation of glucose in aerobic respiration.

An answer showing the following steps:

- equation (1)

- balanced equation (1)

accept incorrect formula e.g. CO2 accept correct word equation

e.g. $\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}+6 \mathrm{O}_{2} \rightarrow 6 \mathrm{CO}_{2}+6 \mathrm{H}_{2} \mathrm{O}$ ignore ATP / ADP

1 mark if equation correct but not balanced

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Edexcel A-Level Biology A2 7.1 Aerobic Respiration Overview Questions question 1