Which of the following stages does NOT generate NADH? A. Citric acid cycle B. El

Question

Which of the following stages does NOT generate NADH? A. Citric acid cycle B. Electron transport chain C. Glycolysis D. ATP synthase E. Conversion of pyruvate to acetyl CoA Which of the following chemical REACTIONS generates a disaccharide from two monosaccharides? A. Dehydration synthesis B. Phosphorylation C. Hydrolysis D. A & B E .A, B & C Which of the following statements is INCORRECT about mitochondria? A. Mitochondria are responsible for providing energy to the cell B. The outer mitochondrial membrane is involved in ATP production C. Protons are pumped into the intermembrane space between the outer & inner mitochondrial D. The inner mitochondrial membrane contains the electron transport chain E. Mitochondria are located in the cytosol Which of the following statements is CORRECT about CHOLESTEROL? A. Important structural component of cell membranes B. Precursor to steroid hormones C. Hydrophilic molecule D. A & B E. A, B & C Which of the following is the MOST important source of cellular energy? A. CTP B. ATP C. UTP D. GTP E. TTP Why OILS are liquid at room temperature? A. Presence of unsaturated fatty acids B. Presence of saturated fatty acids C. Presence of glycerol molecules D. A & B E. A, B & C Which of the following enzymes uses kinetic energy of moving protons to produce ATP? A. Oxidative phosphorylase B. ATP synthase C. Glucokinase D. ATP phosphatase E. Lactate dehydrogenase Which of the following is the FIRST substrate of the Krebs' cycle? A. Citric acid B. Pyruvic acid C. NADH & FADH_2 D. A & B E. A, B & C.

Explanation / Answer

16. B. Electron transport chain (it consumes NADH)

17. A. Dehydration synthesis

18. B. The outer mitochondrial membrane is involved in ATP production

19. E. A, B & C

20. B. ATP

21. B. Presence of unsaturated fatty acids (animal fat contains saturated fatty acids, therefore it's solid at room temperatures)

22. A. Oxidative phosphorylation

23. A. Citric acid

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