71. Which of following are not mediated by ABC transporters?
(A) Anticancer drugs out of cancer cells
(B) Antibiotics out of bacteria
(C) Transports bile salts out of hepatocytes
(D) Vitamin E into fat cells (lipocytes)
(E) Chloride ions in the lung

72. What type of bond connects the tRNA with its amino acid (AA)? (A) Ester between AA carboxylate and tRNA 3' hydroxyl (B) Mixed anhydride of AA carboxylate and tRNA 3' phosphate (C) Phosphoramide of AA amine and tRNA 3' phosphate (D) Mixed anhydride of AA carboxylate and tRNA 5' phosphate (E) Phosphoramide of AA amine and tRNA 5' phosphate

73. Some restriction enzymes generate cohesive (sticky) ends, meaning they _____. (A) cut both DNA strands at the same position in the same base pair (B) cut GC-rich regions, producing ends that form more hydrogen bonds than AT-rich ends (C) remain tightly bound to the DNA ends after cutting (D) produce ends that can anneal with sticky ends made by any restriction enzyme (E) make staggered cuts in the two strands, leaving short single-stranded overhangs

74. Which of the following steps in the TCA cycle may produce NADH? ① Acetyl-CoA and oxaloacetate to citrate ② Citrate to isocitrate ③ Isocitrate to α-ketoglutarate ④ α-Ketoglutarate to succinyl-CoA (A) ①② (B) ②③ (C) ②④ (D) ③④ (E) ①③④

75. If a cell cannot synthesize or obtain tetrahydrofolate (H₄ folate), it will most likely be impaired in the biosynthesis of which amino acid? (A) Isoleucine (B) Leucine (C) Lysine (D) Serine (E) Methionine

76. Which one of the following statements is NOT correct? (A) Δ¹-Pyrroline-5-carboxylate serves as a key intermediate in both L-proline synthesis and breakdown pathways. (B) Human cells synthesize non-essential amino acids using intermediates from central metabolic pathways or by converting essential amino acids. (C) Phenylalanine hydroxylase catalyzes the interconversion between phenylalanine and tyrosine. (D) Liver cells produce serine starting from the glycolysis product 3-phosphoglycerate. (E) NADPH provides the ultimate source of reducing equivalents for tetrahydrobiopterin regeneration.

77. Which enzyme–effector pair is matched correctly? (A) Phosphofructokinase-2 (PFK-2) / fructose-2,6-bisphosphate (B) Phosphofructokinase-1 (PFK-1) / fructose-1,6-bisphosphate (C) Fructose-1,6-bisphosphatase (FBPase-1) / fructose-1,6-bisphosphate (D) Fructose-2,6-bisphosphatase (FBPase-2) / fructose-2,6-bisphosphate (E) Fructose-1,6-bisphosphatase (FBPase-1) / fructose-2,6-bisphosphate

78. Which second messenger is produced after nitrogen monoxide (NO) stimulation? (A) cAMP (B) cGMP (C) Phosphatidylinositol 4,5-bisphosphate (D) Inositol 1,4,5-trisphosphate (E) Diacylglycerol

79. Tamoxifen is used as adjuvant therapy for breast cancer. Which statement about tamoxifen is correct? (A) It blocks male hormones. (B) It works better in estrogen receptor negative tumors. (C) It enters cells via surface receptors. (D) It binds estrogen receptors. (E) It inhibits estrogen production.

80. An open reading frame is defined by _____. (A) a start and stop codon (B) homology with other species (C) placement on a genome map (D) presence of transposable elements (E) absence of highly repetitive sequences

81. TFIIH is a transcription factor that is responsible for forming the transcription bubble. For this reason, TFIIH is best described as a _____. (A) gyrase (B) ligase (C) helicase (D) endonuclease (E) single-strand binding protein

115年 - 115 國立中山大學_學士後醫學系招生考試試題：普通生物及生化概論#138369

115年 - 115 學士後醫學系招生考試試題：普通生物及生化概論#138357

115年 - 115 國立清華大學_學士後醫學系單獨招生試題：生物與生化#138208

115年 - 115 國立中興大學_學士後醫學系公費生招生考試：普通生物及生化概論#138023

114年 - 114 學士後醫學系招生考試試題：普通生物及生化概論#126681

114年 - 114 國立中興大學_學士後醫學系公費招生考試：普通生物及生化概論#126435

114年 - 114 國立中山大學_學士後醫學系招生考試試題：普通生物及生化概論#126236

114年 - 114 國立清華大學_學士後醫學系考試︰生物生化#126232

113年 - 113 國立中興大學_學士後醫學系公費招生考試：普通生物及生化概論#119946

113年 - 113 國立清華大學_學士後醫學系招生考試_學士後醫學系：生物及生化#119851