Biology 9700 · AS & A Level · Respiration

Respiration — practice question

For respiration, the relevant structures and compounds are listed below: 1 coenzyme A, 2 cytoplasm, 3 pyruvate, 4 NAD, 5 outer mitochondrial membrane, 6 carrier protein, 7 inner mitochondrial membrane, 8 intermembrane space of mitochondrion, 9 ADP, 10 acetyl group.
(main)[6]

For each description, select one number from 1 to 10 that identifies the correct structure or compound. Each number may be used once, more than once, or not at all. (a) site of ATP synthase, (b) carries hydrogen atoms, (c) nucleotide containing a purine base, (d) site of substrate-linked phosphorylation, (e) enters the Krebs cycle, (f) made by oxidation of triose phosphate.

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