72. Which organelle in liver cells is the principal site of ketone body synthesis?
(A) Endoplasmic reticulum
(B) Golgi apparatus
(C) Mitochondria
(D) Lysosomes

68. What is the starting material for steroid biosynthesis? (A) NADH (B) NADPH (C) Acetyl-CoA (D) FADH2

69. Which of the following is the key controlling enzyme during the synthesis of cholesterol? (A) HMG-CoA synthase (B) HMG-CoA reductase (C) HMG-CoA lyase (D) None of the above

70. Which one of the following enzymes does   NOT   catalyze the control point in the glycolytic pathway? (A) Hexokinase (B) Phosphofructokinase (C) Pyruvate kinase (D) Aldolase

71. Which of the following is   NOT   generated in fatty acid oxidation? (A) NADH (B) NADPH (C) Acetyl-CoA (D) FADH2 

73. Cholesterol is converted to other steroid hormones. Which one of the following hormones is   NOT   derived from cholesterol? (A) Progesterone (B) Glucocorticoids (C) Mineralocorticoids (D) Prostaglandin

複選題74. Which of the following can     regulate the metabolism of glycogen? (A) Insulin (B) Epinephrine (C) Glucagon (D) Calcitonin

75. Which of the following plays a key role in controlling cholesterol metabolism? (A) VLDL receptor (B) LDL receptor (C) IDL receptor (D) HDL receptor

76. Which description for photosynthesis is   NOT   correct? (A) The site of photosynthesis in eukaryotes such as green plants and green algae is the chloroplast. (B) In the dark reactions, water is oxidized to produce oxygen, accompanied by the reduction of NAD+ to NADP. (C) The overall reaction pathway of sugar production is cyclic and is called the Calvin cycle. (D) C4 plants grow more quickly than C3 plants.

複選題77. Which of the following can be converted to glucose by gluconeogenesis? (A) Fatty acid (B) Glycerol (C) Glycogen (D) Ribonucleic acid

78. What are ribozymes made of? (A) Lipid (B) Carbohydrate (C) Ribonucleic acid (D) Protein