This is exercise physiology by the way! If anyone could help me with these 2 que
ID: 3505950 • Letter: T
Question
This is exercise physiology by the way! If anyone could help me with these 2 questions that’d be great! Thanks so much in advance!-Which multi-step pathway is limited only to the energy catabolism of carbohydrates? A. the tricarboxylic acid (AKA Krebs) cycle B. the electron transport system (AKA final common pathway) C. glycolysis
- Which enzyme catalyzes the reaction that is critical in order to harness the most potential energy in glucose and glycogen in the form of ATP? A. hexokinase B. phosphofructokinase C. pyruvate kinase D. pyruvate dehydrogenase E. lactate dehydrogenase
thanks again!!! This is exercise physiology by the way! If anyone could help me with these 2 questions that’d be great! Thanks so much in advance!
-Which multi-step pathway is limited only to the energy catabolism of carbohydrates? A. the tricarboxylic acid (AKA Krebs) cycle B. the electron transport system (AKA final common pathway) C. glycolysis
- Which enzyme catalyzes the reaction that is critical in order to harness the most potential energy in glucose and glycogen in the form of ATP? A. hexokinase B. phosphofructokinase C. pyruvate kinase D. pyruvate dehydrogenase E. lactate dehydrogenase
thanks again!!!
-Which multi-step pathway is limited only to the energy catabolism of carbohydrates? A. the tricarboxylic acid (AKA Krebs) cycle B. the electron transport system (AKA final common pathway) C. glycolysis
- Which enzyme catalyzes the reaction that is critical in order to harness the most potential energy in glucose and glycogen in the form of ATP? A. hexokinase B. phosphofructokinase C. pyruvate kinase D. pyruvate dehydrogenase E. lactate dehydrogenase
thanks again!!!
Explanation / Answer
Which multi step pathway is limited only to the energy catabolism of carbohydrates?
Answer - C. Glycolysis
Glycolysis is the initial pathway in the catabolism of carbohydrates, in this pathway a molecule of glucose is broken down to two molecules of pyruvate, with a net production of two ATP molecules and the reduction of two NAD+ molecules to NADH.
- Which enzyme catalyzes the reaction that is critical in order to harness the most potential energy in glucose and glycogen in the form of ATP?
Answer - C. Pyruvate kinase
In the Glycolysis pathway pyruvate kinase catalyzes the conversion of phosphoenolpyruvate to pyruvate and in this process ADP is converted to ATP.
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