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Aerobic Metabolism is the pathway used for exercise
When the body runs out of oxygen, it switches to anaerobic metabolism, which generates energy without oxygen. During anaerobic metabolism, glucose is broken down into lactic acid to produce energy. However, this process is less efficient and can only sustain limited activity before fatigue sets in.
In Anaerobic exercise
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The product obtained during cellular anaerobic respiration human muscle cell water, energy and carbon dioxide.
Lactic acid and fermentation occur during anaerobic metabolism.
Fast fatigable fibers.
Aerobic Metabolism is the pathway used for exercise
When muscles overexert, the available oxygen may run out and they resort to anaerobic metabolism creating lactic acid which is what causes the soreness felt after exercise.
When the body runs out of oxygen, it switches to anaerobic metabolism, which generates energy without oxygen. During anaerobic metabolism, glucose is broken down into lactic acid to produce energy. However, this process is less efficient and can only sustain limited activity before fatigue sets in.
Metabolism can speed up during adolescence. This is one of the times during a life cycle where the metabolism works faster.
Respiration ---- * areobic respiration which requires oxygen * anaerobic doesn't require oxygen aerobic respiration needs glucose and oxygen. During anaerobic respiration the glucose is only partly broken down to form lactic acid and energy.
I am asking myself the same question, and found this report, which seems to indicate that lactobacillus prefers an anaerobic environment...:Abstract: The growth rate of Lactobacillus plantarum(...) decreased during aerobic incubation (relative to anaerobic incubation). (...) Increased O2 utilization was accompanied by a switch in metabolism which resulted in acetate rather than lactate accumulation in aerobic cultures."Comparison of aerobic and anaerobic growth of Lactobacillus plantarum in a glucose medium", http://www.springerlink.com/content/p18g513007110117/
Occurs in the Citric acid cycle , during the third stage of Glycolysis, where the Co-enzyme joins with the 2 carbon compound from the pyruvate to form acetyle Co.A
mitochondrial matrix
oxygen
You are more likely to get cramps during anaerobic exercise than during aerobic exercise. This is because your muscles are lacking oxygen.