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1. which muscle fibre type has more mitochondria?
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2. which type of muscle fibre would there be more of in a sprint athlete?
- none
- both fast and slow twitch
- fast twitch
- slow twitch
3. what is pyruvate converted to when oxygen is not available in muscle cells?
- lactate
- glycogen
- citrate
- oxaloacetate
4. What is the main storage fuel in slow twitch muscle fibres?
- sugars
- fats
- glycogen
- glucose
5. Why is it important the the NAD is regenerated?
- to allow the electron transport chain to continue
- to make carbon dioxide
- To allow glycolysis to continue
- to allow pyruvate to change to lactate
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