Biology 9700 · AS & A Level · Respiration

Respiration — practice question

Fig. 6.1 shows part of a mitochondrion in diagram form, illustrating several of the events that take place during oxidative phosphorylation.
(a(i))[2]

State two of the sources of reduced NAD shown in Fig. 6.1.

(a(ii))[2]

With reference to Fig. 6.1, outline the function of carriers in the inner membrane.

(a(iii))[2]

With reference to Fig. 6.1, identify Y and Z by name.

(b)[2]

Explain why folding of the mitochondrion's inner membrane is advantageous to the cell.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: Glycolysis has been identified

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