CAIE A-Level Biology A2 12.2.4 Link Reaction Questions
Explain conversion of pyruvate to acetyl CoA in the link reaction using evidence from each question and mark scheme.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- A2
Exam points
- Explain the link reaction converting pyruvate to acetyl coenzyme A.
CAIE A-Level Biology A2 12.2.4 Link Reaction Questions question 1
[Maximum number: 3]
Pyruvate is involved in the link reaction in the matrix of the mitochondrion.
Describe the link reaction.
any three from:
1 decarboxylation ;
A description
2 dehydrogenation / oxidation, (of pyruvate) ;
A description
3 reduced NAD produced ;
4 formation of, acetyl coenzyme A / acetyl CoA ;
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