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IB Biology HL C1.2.11 Hl Link Reaction Questions

Practise IB Biology HL 1.2.11 by applying link reaction concepts to exam questions.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Locate the link reaction in the mitochondrial matrix.
  • Explain pyruvate oxidative decarboxylation to acetyl-CoA with carbon dioxide release and NAD reduction.
  • Explain how coenzyme A accepts the acetyl group and links glycolysis to the Krebs cycle.

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Study C1.2.11 (HL)—Link reaction conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology HL C1.2.11 Hl Link Reaction Questions question 1

[Maximum number: 1]

Where in the mitochondrion does the formation of acetyl CoA occur?

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