(Biochemistry Topics: Glycolysis and Citric Acid Cycle) - Which of the following molecules can enter gluconeogenesis and provide an increase in the glucose concentration? Pyruvate, Succinate, 3-Phosphoglycerate, DHAP, Acetyl CoA, Lactate, All, or None?
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(Biochemistry Topics: Glycolysis and Citric Acid Cycle)
- Which of the following molecules can enter gluconeogenesis and provide an increase in the glucose concentration? Pyruvate, Succinate, 3-Phosphoglycerate, DHAP, Acetyl CoA, Lactate, All, or None?
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- choose the metabolic pathway being described in the statement choices: Digestion Glycolysis Formation of Acetyl CoA Krebs Cycle ETC Reactions Glycogenesis Glycogenolysis Gluconeogenesis 1. catalyzed initially by glycogen phosphorylase 2. breaking of glycosidic linkages of glycogen 3. requires pumping of hydrogen ions 4. lactic acid is converted to glucoseNumber the oxygens(1-6) in any order. Trace the path of this glucose through pathways of glycolysis and the TCA cycle and determine which step of the pathways each oxygen is removed from the process.Once formed, what are the three possible fates of pyruvate and under what conditions do they occur? Match the appropriate pairs. Clear All pyruvate forms lactate pyruvate forms ethanol pyruvate forms acetyl-CoA under anaerobic conditions in animals under aerobic conditions under anaerobic conditions in yeast and other microorganisms
- (Biochemistry topics: Glycolysis, Citric Acid Cycle, and Electron Transport.) There is a reciprocal regulation of glycolytic and gluconeogenic reactions interconverting fructose-6-phosphate and fructose-1,6-biphosphate. Which one of the following statements about this regulation is not correct? This regulation allows control of the direction of net metabolite flow through the pathway. Fructose-2,6- bisphosphate activates phosphofructokinase-1. Fructose-2,6-biphosphate inhibits fructose-1,6-bisphosphate. The fructose-1,6-bisphosphatase reaction is exergonic. The PFK1 reaction is exergonic.choose the metabolic pathway being described in the statement choices: Digestion Glycolysis Formation of Acetyl CoA Krebs Cycle ETC Reactions Glycogenesis Glycogenolysis Gluconeogenesis conversion of glyceradehyde-3-PO4 to glucose2. liberates more ATP from reduced coenzymes 3. occurs when the body runs out of carbohydrates 4. pyruvic acid is decarboxylated and oxidized 5. generates two molecules of pyruvate for every glucose catabolized 6. second release of CO2 in cellular respiration 7. catabolism of dietary carbohydrates 8. response to a drop in blood glucose9. catalyzed by pyruvate dehydrogenase 10. actic acid is converted to glucoseCan someone help with this question?
- What glycolytic intermediate is fructose converted to in the muscle, such that it can be utilized in glycolysis? Glucose 6-phosphate Fructose 6-phosphate Glyceraldehyde 3-phosphate Dihydroxyacetone phosphateMatch the regulatory molecule to the pathway that is regulated by that molecule in the liver. Answers may be used more than once, while some may not be used not at all. Glycolysis [Choose ] [Choose ] Malonyl-CoA Citric Acid Cycle NADH Citrate Fructose-2,6-Bisphosphate Epinephrine Fatty Acid Synthesis [Choose ] Fatty Acid Degradation/Beta Oxidation [ Choose ] Gluconeogenesis [ Choose ] >I'm confused about glycolysis and gluconeogenesis. Question: What is the function of glyceraldehyde 3-phosphate dehydrogenase? Is it because of -> The incorporation of a phosphate from ATP and reduction of glyceraldehyde 3-phosphate or ->The incorporation of phosphate from inorganic phosphate and reduction of glyceraldehyde 3-phosphate. or -> The incorporation of phosphate from inorganic phosphate and oxidation of glyceraldehyde 3-phosphate
- glycolysis or GluconeogenesisHelp me understand this…I’m confusedCHOOSE THE CORRECT LETTER There are four enzymes of gluconeogenesis that circumvent the irreversible steps in glycolysis. When starting with the substrattpyruvate, they are:A. Pyruvate carboxylase, phosphoenolpyruvate carboxykinase, fructose 1,6-bisphosphatase, and hexokinaseB. Pyruvate carboxylase, phosphoenolpyruvate carboxykinase, fructose 1,6-bisphosphatase, and glucose-6-phosphataseC. Glycerol kinase, glycerol 3-phosphate dehydrogenase, fructose 2,6-bisphosphatase, and glucose 6-phosphataseD. Hexokinase, phosphofructokinase, phosphofructokinase and pyruvate kinase
