CAIE A-Level Biology A2 12.2.10 Lactate and Ethanol Fermentation Questions
Explain lactate and ethanol fermentation using evidence from each question and mark scheme.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- A2
Exam points
- Explain lactate and ethanol fermentation in anaerobic respiration.
CAIE A-Level Biology A2 12.2.10 Lactate and Ethanol Fermentation Questions question 1
At the end of glycolysis in mammalian muscle tissue, pyruvate is formed. Pyruvate can be further metabolised along two different pathways, pathway 1 and pathway 2 .
Fig. 6.1 outlines the two pathways.
Fig. 6.1
State the condition under which pyruvate would be metabolised along pathway 2 .
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