Edexcel IAL Biology 7.3 Link reaction and Krebs cycle

Place each stage in the correct cell location, account for carbon dioxide and reduced coenzymes and use the supplied rate or inhibitor data to explain the result.

Exam points

Place glycolysis, the link reaction and Krebs cycle in their correct locations.
Explain carbon dioxide release by decarboxylation of pyruvate and cycle compounds.
Link Krebs reactions to reduced NAD, reduced FAD and substrate-level ATP.

[Maximum number: 1]

Animals use aerobic and anaerobic respiration to produce ATP.

Aerobic respiration has three stages where reactions occur between enzymes and substrates.

Which row of the table shows the location of each stage?
□ A
□ B
□ C
□ D

Table for Question 7.3—Link reaction and Krebs cycle question 1 — Edexcel A-Level Biology A2

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7.3—Link reaction and Krebs cycle question 1