ENES 230 1. What is (are) the energy source (s) for bodily functions? 2. ATP usa
ID: 256593 • Letter: E
Question
ENES 230 1. What is (are) the energy source (s) for bodily functions? 2. ATP usage depends on what? 3. What sources of resupply of energy to the active muscles? 4. When is ATP-PCr energy system used? 5. Aerobic breakdown of pyruvic acid to Co2 and water Midterm Review Topics/Questions 6. Why is anaerobic energy is a rapid source of energy supply during exercise? 7. Wny is the mitochondrion called the "powerhouse" of the cel1? 8. Compare/contrast the metabolic capabilities of fast-twitch muscle fibers with slow-twitch. Givefexamples of types of activities that emphasize each fiber type, and the characteristics of their performances intensity and duration) 9. Which energy systems supply the additional energy during the transition from walking to running? How are these systems used during the transition? 10. What does energy released from phosphocreatine (PCr) used for? 11. Where does anaerobic glycolysis take place, and what is the energy released from glycogen used for in exercise? 12. Creatine Monophospate is being taken by some athletes to improve athletic performances. Why? 13. What energy system is most affected by spring training (repetitive bouts of high intensity sprints of 6-10 sec durations) 2 Anaerobic threshold training2 14. What is the role of oxygen in energy metabolism Page 2 of 6 2118 Words English (US) +100 MacBook AirExplanation / Answer
Answer1
Cells obtained free energy from the oxidation of organic compounds that are rich in energy. In respiration (i.e oxidative process), the free energy that are released from organic compounds used in formation of ATP. Respiratory substrates that undergoes through oxidative respiration are : Carbohydrates, Proteins and fats. Carbohydrates are commonly used as respiratory substrates.
Answer 2
ATP is the chemical link between catabolism and anabolism. Every cell of the body for their machinery requires energy. ATP acts as a donor of energy phosphate. ATP has a stronger tendency to transfer its terminal phosphate group to water. Energy released after breakage of ATP molecules are used for every biochemical reaction occuring in the body.
Answer 3
Phosphagens acts as a storage forms of high energy phosphate. It includes Phophoenolpyruvate, 1,3-bisphosphoglycerate and creatine phosphate. In vertebrate muscles creatine phosphate and in invertebrate muscles arginine phosphate acts as phosphagens.
Answer 4
When ATP is rapidly being utilized as a source of energy and broken down into ADP and Pi then phosphagens (example : phosphocreatine) maintains ATP concentration through its own (phosphocreatine) breakdown and releases energy that is utilize for reaction to occur between ADP+Pi and hence promotes generation of ATP concentration.
Answer 5
In the presence of oxygen, Pyruvate oxidation occurs in the mitochondrial matrix. The reaction is catalyzed by pyruvate dehydrogenase complex. In overall reaction, the carboxyl group of pyruvate is lost as CO2 , while the remaining two carbons form the acetyl moiety of acetyl-CoA.
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