IB Biology HL C1.2.9 Hl Pyruvate Lactate Questions
Practise IB Biology HL 1.2.9 by applying pyruvate → lactate concepts to exam questions.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- Explain that pyruvate accepts hydrogen/electrons from reduced NAD during anaerobic respiration in animal cells to form lactate.
- Explain how NADH transfers hydrogen/electrons to pyruvate, regenerating NAD for continued glycolysis.
- Relate NAD regeneration to continued glycolysis and ATP production when oxygen is unavailable.
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IB Biology HL C1.2.9 Hl Pyruvate Lactate Questions question 1
Glucose is converted to pyruvate during the glycolysis stage of respiration.
Outline how NAD is made available for glycolysis during anaerobic respiration in animal cells.
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