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112年 - 112 亞洲大學_學士後獸醫學系招生考試_學士後獸醫學系:生物化學#117434
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71. What is the important role of nicotinamide adenine dinucleotide (NAD) in numerous metabolic pathways?
(A) Substrate
(B) Inhibitor
(C) Enzyme
(D) Coenzyme
答案:
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統計:
A(1), B(1), C(0), D(1), E(0) #3167837
詳解 (共 1 筆)
木公的診間裝潢中
B1 · 2024/02/14
#6027457
What is the importan...
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67. Which of the following is NOT true regarding ion channels? (A) Neurotoxins only inhibit ion channels to disrupt the nervous system. (B) They can be gated by membrane potential or ligands. (C) They are important for signaling in neurons and other cells. (D) Neurotransmitters can activate specific ion channels in the postsynaptic neuron.
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68. What is the site of photosynthesis in algae and plants? (A) Chloroplasts (B) Mitochondria (C) Endoplasmic reticulum (D) Golgi apparatus
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69. What is the final stage of the oxidative pathway for fatty acid oxidation? (A) Citric acid cycle (B) Glycolysis (C) Oxidative phosphorylation (D) Gluconeogenesis
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70. What is apoptosis? (A) Uncontrolled cell division leading to tumor formation (B) A type of mutation in oncogenes (C) The programmed and controlled cell death of unnecessary, damaged, or infected cells (D) A type of mutation in tumor suppressor genes
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72. In which type of tissue is electron transfer uncoupled from ATP synthesis, leading to the dissipation of energy as heat? (A) Brown adipose tissue of newborns (B) Muscle tissue (C) Cardiac tissue (D) White adipose tissue of adults
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73. Where does glycolysis occur? (A) Cytosol (B) Golgi apparatus (C) Nucleus (D) Mitochondria
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74. How NADH enters to mitochondria for oxidative phosphorylation? (A) They diffuse through the inner mitochondrial membrane. (B) They are moved by the malate-aspartate shuttle or the glycerol 3-phosphate shuttle. (C) They are converted to NAD+ in the cytosol and then transported into the matrix. (D) They are actively transported across the inner mitochondrial membrane.
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75. Which of the following organelles carries out β-oxidation in animals? (A) Mitochondria (B) Peroxisomes (C) Endoplasmic reticulum (D) Golgi apparatus
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76. How does glycogen enter glycolysis? (A) Directly as glucose 6-phosphate (B) Through direct hydrolysis to form glucose (C) Through conversion to fructose 6-phosphate or fructose 1-phosphate (D) Through phosphorolytic cleavage to form glucose 1-phosphate and subsequent conversion to glucose 6-phosphate
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77. How are the urea cycle and the citric acid cycle interconnected? (A) Both cycles share the same enzymes (B) The urea cycle is a branch of the citric acid cycle (C) Both cycles use the same intermediates (D) The urea cycle and the citric acid cycle are not interconnected
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