The key regulatory enzymes in glycolysis are: A) hexokinase, phosphofructokinase, and pyruvate kinase. B) hexokinase, phosphoglycerate kinase, and pyruvate kinase. phosphoglycerate kinase, pyruvate kinase, and glyceraldehyde-3-phosphate dehydrogenase. C) D) hexokinase, pyruvate kinase, and glyceraldehyde-3-phosphate dehydrogenase.
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- What is the total number of ATPs resulting from the second stage of carbohydrate metabolism? What is the total number of ATPs resulting from the Krebs Cycle?What is the importance of phosphorylation of glycolytic intermediate? and what are the possible fates of pyruvate produced by glycolysis?Which steps of aerobic metabolism of pyruvate through the citric acid cycle are control points?
- Which steps of glycolysis are irreversible? What bearing does this observation have on the reactions in which gluconeogenesis differs from glycolysis?Relate the names and function and functions of the following glycolytic enzymes to steps in the process of glycolysis 1. Phosphofructokinase 2. Phosphoglyceromutase 3. Triosephosphate isomerase 4. Enolase 5. HexokinaseWhat are the three common possible fates for pyruvate produced from glycolysis?
- What is the glycolytic substrate responsible for the entry of Mannose in the preparatory stage of glycolysis? How?The glycerol derived from lipolysis of triacylglycerols is converted into glyceraldehyde 3-phosphate, which then enters into step 6 of the glycolysis pathway. What further transformations are necessary to convert glyceraldehyde 3-phosphate into pyruvate?Which of the following is the ninth step of glycolysis? Select one: a. Fructose-1,6 Bisphosphate is converted to Dihydroxyacetone and Glyceraldehyde-3-phosphate b. 1,3 Bisphosphoglycerate is converted to 3-phosphoglycerate c. Phosphoenolpyruvate is converted to pyruvate d. Dihydroxyacetone (Glycerone Phosphate) is converted to Glyceraldehyde-3-phosphate e. Fructose-6-phosphate is converted to Fructose-1,6,bisphosphate f. 3-phosphoglycerate is converted 2-phosphoglycerate g. Glyceraldehyde-3-phosphate is converted to 1,3 Bisphosphoglycerate h. Glucose-6-phosphate is converted to Fructose-6-phosphate i. 2-phosphoglycerate is converted to Phosphoenolpyruvate j. Glucose is converted to Glucose-6-phosphate