how many ATP are NET per substrate when utilizing the 1) phosphagen system, 2) anaerobic glycolysis from glycogen, and 3) complete oxidation of 1 glucose molecule.
Understand the Problem
The question is asking about the net ATP yield for three different energy systems when utilizing a single substrate. It seeks information on the phosphagen system, anaerobic glycolysis from glycogen, and the complete oxidation of glucose.
Answer
Phosphagen system: 0 ATP, Anaerobic glycolysis from glycogen: 3 ATP, Complete oxidation of glucose: 36-38 ATP.
- Phosphagen system nets approximately 0 ATP per substrate, as it primarily uses phosphocreatine to quickly regenerate ATP. 2) Anaerobic glycolysis from glycogen nets about 3 ATP per glucose unit. 3) Complete oxidation of 1 glucose molecule nets approximately 36-38 ATP.
Answer for screen readers
- Phosphagen system nets approximately 0 ATP per substrate, as it primarily uses phosphocreatine to quickly regenerate ATP. 2) Anaerobic glycolysis from glycogen nets about 3 ATP per glucose unit. 3) Complete oxidation of 1 glucose molecule nets approximately 36-38 ATP.
More Information
The phosphagen system acts very rapidly and is used for short bursts of intense activity, making it crucial in sprinting and weightlifting. Anaerobic glycolysis is used when oxygen is limited and results in lactate build-up. The complete oxidation is a more efficient long-term energy mechanism.
Sources
- Securing energy for sports performance - MUNI SPORT - fsps.muni.cz
- Biochemistry, Anaerobic Glycolysis - StatPearls - NCBI Bookshelf - ncbi.nlm.nih.gov
- Anaerobic Glycolysis - an overview | ScienceDirect Topics - sciencedirect.com
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