ORGANIC & BIOCHEMISTRY EXAM 4 ACTUAL 2025/2026

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ORGANIC & BIOCHEMISTRY EXAM 4 ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS A metabolic pathway that can be illustrated as A → B → C → D is said to be a(an) ________ pathway. a. anabolic b. catabolic c. cyclic d. linear e. spiral - Answer -D Which of the following substances are produced from hydrolysis of dietary fats in the small intestine? a. bile salts b. triglycerides c. fatty acids d. amino acids e. monosaccharides - Answer -C In steps 5-8 of the citric acid cycle, the high-energy molecules ________, ________, and ________ are produced, and ________ is regenerated to begin another turn of the cycle. a. GDP; FADH2; NADH/H+; oxaloacetate b. GTP; FADH2; NADH/H+; oxaloacetate c. ATP; FADH2; NADH/H+; citrate d. ADP; FAD; NAD+; oxaloacetate e. GDP; FADH2; NADH/H+; isocitrate - Answer -B Which factor is the same in both lipogenesis and β-oxidation of fatty acids? a. They occur in the same location in the cell. Need assistance on Online classes, Exams & Assignments? Reach out for instant help!! Full Course Assistance, Plagiarism-free Essay Writing, Research Paper, Dissertation, Discussion Posts, etc…. Confidential & Secure services. Tutors are available for all subjects! Email now at: tutorjean01@gmail.com b. They use the same enzymes. c. They both involve NADPH and FAD. d. They both depend on coenzyme A e. They both occur two carbon atoms at a time. - Answer -E In a pair of coupled reactions, if the favorable reaction releases more energy than the amount required by the unfavorable reaction, the excess energy is a. reabsorbed by the favorable reaction to be used later. b. released as heat and used to maintain body temperature. c. used by the unfavorable reaction to create more products than normally expected. d. converted to high energy ATP. e. used to produce reduced coenzymes. - Answer -B After digestion and absorption, the molecules from dietary fats and oils are transported in the bloodstream as a. glycerol. b. fatty acids. c. cholesterol. d. citric acid. e. enzymes. - Answer -B When fatty acid metabolism creates more acetyl-CoA than can be handled in the citric acid cycle, the excess acetyl-CoA is converted into ________. a. ketone bodies b. amino acids c. cholesterol d. fatty alcohols e. glycerol - Answer -A The cellular organelle associated with energy production is the a. nucleus. b. mitochondrion. Need assistance on Online classes, Exams & Assignments? Reach out for instant help!! Full Course Assistance, Plagiarism-free Essay Writing, Research Paper, Dissertation, Discussion Posts, etc…. Confidential & Secure services. Tutors are available for all subjects! Email now at: tutorjean01@gmail.com