47. The following fatty acid, in which the indicated carbon is labeled with , is fed to an animal:
After a period of time for fatty acid β oxidation, the label would most likely be recovered in:
(A) acetyl-CoA.
(B) beta-hydroxy butyryl-CoA.
(C) both acetyl-CoA and propionyl-CoA.
(D) palmitoyl-CoA.
(E) propionyl-CoA.

43. In the citric acid cycle, succinate is dehydrogenated by succinate dehydrogenase, which yields fumarate. The dehydrogenation of two of the four hydrogens in succinate (labeled as H1~H4 in the figure shown below) is stereospecific, with the pro-S hydrogen removed from one carbon atom and the pro-R hydrogen removed from the other.  Which of the following two hydrogens could be abstracted in the four hydrogens of the succinate molecule in the reaction catalyzed by succinate dehydrogenase? a. H1 and H2 b. H1 and H3 c. H1 and H4 d. H2 and H3 e. H2 and H4 f. H3 and H4 (A) b and e (B) c and d (C) a and f (D) Only c could occur. (E) Only d could occur.

44. Which of the following substrates cannot contribute to net gluconeogenesis in mammalian liver? (A) Alanine (B) Glutamate (C) Palmitate  (D) Pyruvate(E) a-ketoglutarate

45. Glucose, labeled with in different carbon atoms, is added to a crude extract of a tissue rich in the enzymes of the pentose phosphate pathway. The most rapid production of will occur when the glucose is labeled in: (A) C-1. (B) C-3. (C) C-4. (D) C-5. (E) C-6.

46. Which of these statements is true? (A) Integral membrane proteins usually contain one or more regions with a high hydropathy index. (B) In integral membrane proteins, the domains that protrude on the cytoplasmic face of the plasma membrane nearly always have covalently attached oligosaccharides. (C) A hydropathy plot is used to extrapolate for the true molecular weight of a membrane protein. (D) A hydropathy plot is used to deduce the quaternary structure of a membrane protein. (E) A hydropathy plot is used to determine the water-solubility of a protein.

48. Which types of columns are affected by the ionic charge, shape, substrate-binding strength of a protein, respectively? (A) Gel filtration, Affinity chromatography, Cation or anion exchange. (B) Affinity chromatography, Gel filtration, Cation or anion exchange. (C) Cation or anion exchange, Gel filtration, Affinity chromatography. (D) Gel filtration, Cation or anion exchange, Affinity chromatography. (E) Cation or anion exchange, Affinity chromatography, Gel filtration.

49. The following molecular structure is the disaccharide maltose. Which position could be oxidized by the use of Fehling's reagent?  (A) No. 1. (B) No. 2. (C) No. 3. (D) No. 4. (E) No. 5.

50. Oxaloacetate uniformly labeled with (i.e., with equal amounts of in each of its carbon atoms) is condensed with unlabeled acetyl-CoA. After a single pass through the citric acid cycle back to oxaloacetate, what fraction of the original radioactivity will be found in the oxaloacetate? (A) All (B) 1/2 (C) 1/3 (D) 1/4 (E) 3/4

1.甲公司本年底資產負債表中流動資產包括有現金$100,000，銀行存款$650,000，透過損益按公允價值衡量之金融資產 —流動$140,000，應收帳款$1,240,000，存貨$270,000，預付費用$80,000，而流動負債有$2,000,000，則速動比率為何？ (A) 0.445 (B) 0.995 (C) 1.065 (D) 1.200

2.乙公司 7 月 31 日帳簿上銀行存款餘額$501,000，7 月份銀行對帳單餘額為$600,000。經對帳，係有 7 月底在途存款 $20,000，未兌現支票$120,000，另銀行自該公司帳面扣除服務費若干元，則 7 月 31 日，該公司需做何調整分錄？ (A)借記：現金－銀行存款$100,000，貸記：現金－庫存現金$100,000 (B)借記：應付票據$120,000，貸記：現金－銀行存款$120,000 (C)借記：現金－銀行存款$20,000，貸記：現金－庫存現金$20,000 (D)借記：銀行服務費$1,000，貸記：現金－銀行存款$1,000

3.甲公司 20X1 年度之綜合損益表上顯示銷貨收入為$750,000，銷貨成本為$540,000，研發費用為$65,000，營業費用為 $120,000，則銷貨毛利為多少？ (A) $90,000 (B) $145,000 (C) $210,000 (D) $630,000