PORTAGE BIOCHEMISTRY MODULE 7 ACTUAL EXAM WITH QUESTIONS AND CORRECT VERIFIED ANSWERS GRADED A+ || 100% GUARANTEED PASS NEWEST VERSION

PORTAGE BIOCHEMISTRY MODULE 7 ACTUAL EXAM WITH QUESTIONS AND CORRECT VERIFIED ANSWERS GRADED A+ || 100% GUARANTEED PASS NEWEST VERSION In glycolysis, when glucose enters a cell, it is immediately phosphorylated to form glucose-6-phosphate. The phosphate donor in this reaction is ATP, and the enzyme is ________. Hexokinase Aldolase CoA Phosphohexose isomerase None of the above - Answer ️Hexokinase In the sixth reaction of glycolysis, ATP is formed by the direct transfer of a phosphate group from a metabolite to ADP. This process is referred to as: Lipid phosphorylation Isomerization Protein phosphorylation Substrate-level phosphorylation Photo-protein dephosphorylation - Answer ️Substrate-level phosphorylation Under anaerobic conditions, to which compound is pyruvate converted? NADH Lactate Hexokinase GAP None of the above - Answer ️Lactate How many steps are in the glycolysis pathway? 3 6 10 12 14 - Answer ️10 The reactions of glycolysis take place in/on the ___________. Mitochondria Cytosol Lysozyme Ribosome Nucleus - Answer ️Cytosol How is ATP used in the initial steps of glycolysis? Lipid phosphorylation reagent Isomerization reaction Source for phosphorylation Protein production None of the above - Answer ️Source for phosphorylation Which of the following is a ten-step pathway? A. CAC B. PDH C. Glycolysis D. Oxidative phosphorylation E. B-oxidation - Answer ️Glycolysis How many ATP molecules does NADH yield after oxidative phosphorylation? 1.5 2 2.5 3 3.5 - Answer ️2.5 Besides NADH and FADH2, what energy molecule is produced directly in the citric acid cycle? ATP GTP CTP TTP None of the above - Answer ️GTP What molecule is missing in the following reaction? - Answer ️Succinate The enzymes and coenzymes of the citric acid cycle are all present in the ________. Mitochondria Vacuoles Nucleus Lysosomes None of the above - Answer ️Mitochondria Cellular respiration is the process of cells taking in ______ and producing ______ to generate energy. A. Glucose; NADH B. FAD; FADH2 C. CO2; ATP D. NAD+; NADH E. O2; CO2 - Answer ️O2; CO2 The complete degradation of glucose via cellular respiration occurs in ______ phases. 1 2 3 alternate reversible - Answer ️3