A-Level Biology Specification

Edexcel B 9BI0

Section 5.3: Link reaction and Krebs cycle

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#5.3i

Know that the link reaction and Krebs cycle take place in the mitochondrial matrix.

#5.3ii

Understand that during the complete oxidation of pyruvate the events of the link reaction and the Krebs cycle result in the removal of carbon atoms to produce:

- carbon dioxide
- reduced coenzyme (NADH)
- ATP (detailed knowledge of the intermediate compounds in the Krebs cycle is not required).