5) Which of the following is the most important regulatory enzyme in fatty acid synthesis?
(A) citrate lyase
(B) malic enzyme
國立高雄大學 114 學年度研究所碩士班招生考試試題
科目：生物化學
考試時間：100 分鐘
系所：生命科學系
本科原始成績：100 分
是否使用計算機：否
背面尚有試題 第 2 頁，共 7 頁
(C) acetyl-CoA carboxylase
(D) acetyl-CoA-ACP transacylase

(E) malonyl-CoA-ACP transacylase

1) Which of the following, when paired with its complementary strand, would have the highestTm?(A) AAGTTCCAGT(B) GCAGCAGCAT(C) ATTACGAGCT(D) GCGAAATCAA(E) TGACCTTGAA

2) The fatty acid designated 18:2cΔ9,12 is best described as a _______ fatty acid.(A) saturated(B) unsaturated(C) polyunsaturated(D) hydrogenated(E) partially hydrogenated

3) When glucagon binds to its receptor on a liver cell, which of the following sequence of eventsoccurs to activate protein kinase A?(A) activation of adenylate cyclase, activation of G protein, production of cAMP(B) activation of G protein, activation of adenylate cyclase, production of cAMP(C) activation of G protein, production of cAMP, activation of adenylate cyclase(D) production of cAMP, activation of adenylate cyclase, activation of G protein(E) none of the above

4) For each molecule of acetyl-CoA that enters the citric acid cycle, which of the following bestrepresents the net products of the cycle?(A) 2 CO2, 2 NADH, 2 FADH2, 1 GTP, 1 oxaloacetate(B) 1 CO2, 3 NADH, 1 FADH2, 2 GTP, 1 oxaloacetate(C) 2 CO2, 3 NADH, 1 FADH2, 1 GTP, 0 oxaloacetate(D) 1 CO2, 2 NADH, 1 FADH2, 2 GTP, 0 oxaloacetate(E) 2 CO2, 3 NADH, 1 FADH2, 1 GTP, 1 oxaloacetate

6) Which of the following would be considered a biosynthetic pathway?(A) glycolysis(B) glycogen synthesis(C) fatty acid β-oxidation(D) citric acid cycle(E) electron transport

7) What is the oxidant in the following reaction?(A) ethanol(B) NAD+(C) acetaldehyde(D) NADH(E) H+

8) What is the source of acetyl-CoA for the glyoxylate cycle?(A) pyruvate(B) amino acids(C) fatty acids(D) cholesterol(E) all of the above

9) Lactose, the disaccharide of galactose and glucose, is synthesized from which of the followingactivated monosaccharides?(A) uridine triphosphate glucose(B) uridine triphosphate galactose(C) uridine diphosphate glucose(D) uridine diphosphate galactose(E) none of the above

1. Which of the following eukaryotic organisms is both autotrophic and heterotrophic? (A) yeast (B) humans (C) Venus fly trap (D) redwood trees (E) Mushrooms

10) Which of the following coenzymes is required for the decarboxylation of pyruvate by thepyruvate dehydrogenase complex?(A) thiamine pyrophosphate(B) coenzyme A(C) lipoic acid(D) NAD+(E) FAD

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