Biology 9700 · AS & A Level · Respiration

Respiration — practice question

Oxidative phosphorylation occurs in the mitochondrion. Table 8.1 presents the different stages of oxidative phosphorylation. The stages are not arranged in the correct order.
(a)[4]

Complete Table 8.2 to indicate the correct order of the stages of oxidative phosphorylation. Two of the stages have already been completed for you.

(b)[5]

State the exact mitochondrial location of each of the following: ATP synthase; Krebs cycle; electron transport chain; coenzyme A; pyruvate.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Correct order of stages V, S, U, W, R, Q, X, T” …

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