Biology 9700 · AS & A Level · Respiration

Respiration — practice question

ATP and coenzyme A each have important roles in respiration. Fig. 1.1 shows the molecular structure of coenzyme A.
(a(i))[2]

Using Fig. 1.1, state two structural similarities between coenzyme A and ATP.

(a(ii))[3]

Describe what coenzyme A does in respiration.

(b(i))[1]

Suggest one cell type in which the reactions shown in Fig. 1.2 might take place.

(b(ii))[1]

State the method by which glucose enters the cell.

(b(iii))[2]

Name the reaction type occurring at F and the reaction type occurring at G.

(b(iv))[1]

Using Fig. 1.2, suggest one example of an ‘other metabolic pathway’ for phosphorylated glucose.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: a chain of $3$ phosphate groups

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