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- The cholesterol synthesized by cells uses which component of the glycolytic pathway as a starting point? a. glucose b. acetyl CoA c. pyruvate d. carbon dioxideAll of the following classes of enzymes catalyze the Fatty acid synthesis except a. synthetase b. Synthase c. Carboxylase d. DehydrgenWhich of the following metabolic pathways does NOT takes place in muscle cells? Tricarboxylic acid cycle Glycogenesis Glycogenolysis Conversion of ketone bodies to acetyl CoA Pentose phosphate pathway
- Which of the following metabolic processes directly involve Acetyl Coa (both as an immediate reactant or a product)? (Select all that apply) PDH Gluconeogenesis Electron Transport Chain Krebs Cycle FA synthesis Glycolysis Pentose Phosphate Pathway FA breakdownWhich of the following glycolytic enzymes must consume ATP during phosphorylation of its preferred substrate molecule? phosphoglycerate mutase pyruvate kinase succinate dehydrogenase hexokinase phosphoglycerate kinaseWhat enzyme will not be used if the oxidative portion of the pentose phosphate pathway is operating to produce ribose 5-phosphate? Ribulose 5-phosphate isomerase 6-phosphoglucono-lactonase 6-phosphogluconate dehydrogenase Transaldolase
- Identify at most 5 organic reactions for each metabolic pathway. Metabolic pathways: 4. Conversion of Pyruvate to Acetyl CoA5.Citric acid cycle6. Gluconeogensis pathway (pyruvate to glucose)Identify at most 5 organic reactions for each metabolic pathway. Metabolic pathways: 1. Catabolism of triacylglycerols- beta-oxidation pathway2. Biosynthesis of fatty acids from Acetyl CoA3. Glycolysis (from glucose to two molecules of pyruvate)4. Conversion of Pyruvate to Acetyl CoA5.Citric acid cycle6. Gluconeogensis pathway (pyruvate to glucose)Arrange the following pathways in order of their occurrence as source of energy for the body during fasting and starvation: 1. glycogenolysis 2. lipid catabolism 3. gluconeogenesis 4. ketogenesis
- Which of the following is the chemical end product of fatty-acids metabolized in the beta-oxidation pathway? Select one: a. Beta-carotine b. Free-radicals c. Lactic acid d. Acetyl-CoA e. PyruvateWhich of the following statements is/are TRUE about fatty acid activation before β-oxidation? I. The process consumes energy equivalent to two moles of ATP. II. The fatty acid is activated by ATP to give a fatty acyl-CoA.choose the metabolic pathway being described in the statement choices: Digestion Glycolysis Formation of Acetyl CoA Krebs Cycle ETC Reactions Glycogenesis Glycogenolysis Gluconeogenesis produced reduced coenzymes enter another aerobic cellular respiration biochemical hub of cells of all primary metabolites catalyzed primarily by glycogen synthase release of first CO2 in cellular respiration breaking of glycosidic linkages of glycogen absorption of glucose in the blood stream hydrolysis of dissacharide series of release of small amount of energy reducing oxygen to water requires pumping of hydrogen ions catalyzed initially by glycogen phosphorylase