MUSCLE PHYSIOLOGY

PHYSIOLOGY

MUSCLE ENERGETICS GLYCOLYSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Glycolysis occurs during aerobic or anaerobic conditions.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Glycolysis occurs in both aerobic and anaerobic states. In aerobic conditions, pyruvate enters the citric acid cycle and undergoes oxidative phosphorylation leading to the net production of 32 ATP molecules. In anaerobic conditions, pyruvate converts to lactate through anaerobic glycolysis.

Detailed explanation-2: -Aerobic glycolysis occurs through the kerbs cycle inside the mitochondria, while anaerobic glycolysis occurs through ethanol/lactic acid fermentation inside the cytosol.

Detailed explanation-3: -Glycolysis is common to both aerobic and anaerobic respiration because glucose is the only source of energy and the process of glycolysis is independent of oxygen. Thus, the absence or presence of oxygen does not play a role in this process which is common to both aerobic and anaerobic respiration.

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