Biology 9700 · AS & A Level · Respiration

Respiration — practice question

Aerobic respiration takes place when oxygen is present. It gives a much larger energy yield than respiration under anaerobic conditions.

(a)[4]

Explain why the link reaction takes place only when oxygen is present.

(b)[5]

Outline which stage of aerobic respiration occurs in the cytoplasm of eukaryotic cells.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “pyruvate is converted into acetyl CoA” …