Biochem Module 7 questions and answers well illustrated.

Biochem Module 7 questions and answers well illustrated. True or False: The Δ G value for a particular reaction is -78kJ/mol. This value indicates the reaction is spontaneous. - correct True or false: A biochemical metabolic pathway is a single reaction that converts starting material into products. - correct Three ATP molecules are used in the energy-investing stage of glycolysis. - correct The citric acid cycle occurs in the presence of oxygen. - correct The β -oxidation pathway only degrades odd-numbered fatty acids. - correct In total, how many ATP or NADH are produced (or required) in the glucose to pyruvate steps in glycolysis? - 1 NADH required - 1 ATP and 2 NADH required - 2 ATP and 2 NADH produced - 2 ATP producedNone of the above - correct answers.- 2 ATP and 2 NADH produced In converting glucose to pyruvate, how many ATP or NADH are produced (or required) in the fructose-6-phosphate to fructose-1,6-phosphate step in glycolysis? - 1 ATP required - 1 ATP produced - 2 ATP produced - 2 ATP required - None of the above - correct answers.- 1 ATP required What is the primary product of glycolysis? - Glucose - Glucose-6-phosphate - phosphoenolpyruvate - GAP and DHAP - Pyruvate - correct answers.- Pyruvate 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 - correct answers.- Hexokinase In the last 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: - Substrate-level phosphorylation - Protein phosphorylation - Lipid phosphorylation - Isomerization - Photo-protein dephosphorylation - correct answers.Substrate-level phosphorylation Under anaerobic conditions, to which compound is pyruvate converted? - Ethanol - DHAP - Hexokinase - GAP - None of the above - correct answers.- Ethanol There are ___________ reactions in glycolysis. 6 8 9 10 12 - correct answers.10 The reactions of glycolysis take place in/on the ___________. - Mitochondria - Vacuoles - Ribosome - Cytosol - None of the above - correct answers.- 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 - correct answers.- Source for phosphorylation Which of the following is a cyclic pathway? CAC PDH Glycolysis Oxidative phosphorylation β -oxidation - correct answers.CAC How many ATP molecules does NADH yield after oxidative phosphorylation? 1.5 2 2.5 3 3.5 - correct answers.2.5 Besides NADH and FADH2, what energy molecule is produced directly in the citric acid cycle? A. CO2 B.ATP C. CTP D. UTP E. None of the above - correct answers.E. None of the above What molecule is missing in the following reaction? A. PDH B. Isocitrate C. Fumarate D. FADH2 E. Succinyl-CoA - correct answers.B. Isocitrate The enzymes and coenzymes of the citric acid cycle are all present in the ________. - Mitochondria - Vacuoles - Nucleus - Lysosomes - None of the above - correct answers.- Mitochondria Cellular respiration is the process of cells taking in ______ and producing ______ to generate energy.