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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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48. Which of the following is NOT a signal for termination of translation in bacteria?
(A) UGA
(B) UAG
(C) UAA
(D) AUG
答案：
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統計：
A(0), B(0), C(0), D(3), E(0) #3167814
詳解 (共 1 筆)
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46. How does the genetic code vary among different species? (A) There are significant variations in the codon sequences that specify amino acids. (B) The code is universal in all species except for single-celled organisms. (C) The code is universal in all species, but there are minor deviations in mitochondria and some single-celled organisms. (D) The code is completely different in every species.
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47. Which technique allows for the amplification of chosen segments of DNA for cloning? (A) Polymerase chain reaction (PCR) (B) Edman degradation (C) Sanger dideoxy method (D) Oligonucleotide synthesis
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49. What is the primary function of triacylglycerols? (A) To act as a storage form of energy (B) To serve as a component of cell membranes (C) To act as a structural support for cells (D) To facilitate communication between cells
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50. Where does transcription stop in bacteria? (A) At the terminator sequence (B) At the complementary sequence (C) At the promoter sequence (D) At the signal sequence
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52. What is the first step of bacterial transcription? (A) Binding of RNA polymerase to the promoter (B) Binding of RNA polymerase to the terminator (C) Elongation of RNA synthesis (D) Termination of RNA synthesis
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53. What is the primary factor that affects the fluidity of biological membranes? (A) The temperature, fatty acid composition, and sterol content (B) The presence of integral membrane proteins (C) The presence of lipid rafts (D) The size of the membrane vesicles
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