Edexcel A-Level Biology A2 7.3 Link Reaction and Krebs Cycle Questions

Place glycolysis, link reaction and Krebs cycle, explain pyruvate decarboxylation and carbon dioxide release, and link reactions to reduced coenzymes and ATP using marked questions.

Exam points

place glycolysis, the link reaction and Krebs cycle in their correct cellular locations and order
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 Edexcel A-Level Biology A2 7.3 Link Reaction and Krebs Cycle Questions question 1 — Edexcel A-Level Biology A2

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Edexcel A-Level Biology A2 7.3 Link Reaction and Krebs Cycle Questions question 1