8. Energy in Muscle Cells Flashcards
Anaerobic respiration and muscle fibres
1
Q
Which metabolic pathway does pyruvate undergo in the absence of oxygen?
A
Fermentation
2
Q
Which compound is pyruvate converted into in anaerobic respiration?
A
Lactate (lactic acid)
3
Q
What are the 2 types of skeletal muscle fibres?
A
Fast Twitch and Slow Twitch
4
Q
Which type of muscle fibre is favoured for endurance?
A
Slow twitch
5
Q
Which type of muscle fibre only undergoes glycolysis?
A
Fast twitch
6
Q
Which protein found in muscle cells only have a high affinity for oxygen?
A
Myoglobin
7
Q
Which fuel sources can slow twitch fibres make use of?
A
Glycogen and fat
