what happens when there is high demand for energy when there is limited supply of oxygen.
Answers
Answer:
A pedant would first make the point that myocardial oxygen consumption is not the same as myocardial oxygen demand, as logically there are situations where the demand is greater than consumption (i.e. where supply is limited), for example in ischaemic heart disease. However, among healthy laboratory animals and floating myocytes in Petri dishes, there is usually no shortage of oxygen supply, and so this objection can be put to rest for now.
Answer:
In the absence of oxygen, homolactic fermentation prevents NADH from accumulating, which would halt glycolysis and rob the cell of its energy source. Fermentation doesn't yield any ATP molecules, but it does allow glycolysis to continue and producing a small trickle of ATPs.
Explanation:
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