2. Which of the following is not part of a tRNA cloverleaf structure?
(A) codon arm
(B) acceptor arm
(C) anticodon arm
(D) D arm
(E) extra arm

48. 下列何者為教師面對單一學生應顯現的影響力？ (A)建立公平規則 (B)強化認同 (C)平等慎思 (D)培育成長

49. 下列何者為當教師面對各種不同的聲音而產生不確定感，最需做的事情？ (A)努力教學 (B)意義建構 (C)運用 AI (D)學習放下

50. 下列哪種理論認為功利是真理？ (A)邏輯實證論 (B)詮釋學 (C)批判理論 (D)後現代主義

1. Which of the following molecules is hydrolyzed for each elongation cycle during protein synthesis by ribosomes? (A) GTP (B) CTP (C) TTP (D) ATP (E) dATP

3. A phage can transfer its genome or a DNA molecule to a bacterial cell. This process is called (A) transformation (B) conjugation (C) transduction (D) recombination (E) accommodation

4. Which of the following enzymatic activities is not found in natural DNA polymerases? (A) 5' to 3' polymerase (B) 3' to 5' polymerase (C) 5' to 3' exonuclease (D) 3' to 5' exonuclease (E) strand-displacement activity

5. Which of the following statements regarding transposons is not correct? (A) Transposons can move from one position to another on the genome. (B) Transposons can propagate themselves within the genome. (C) Insertion sequences are a type of transposons. (D) Transposons can be transcribed into RNAs. (E) Transposons are non-coding DNAs.

6. Which of the following statements regarding genetic code is correct? (A) Multiple codons can encode one amino acid. (B) Genetic code is shared by organisms from the simplest bacteria to higher animals. (C) Scientists can reprogram the amber codon to encode unnatural amino acids. (D) All of the above. (E) None of the above.

7. Which of the following statements regarding DNA packaging is not correct? (A) Histone phosphorylation affects chromatin structure. (B) Heterochromatin is a tightly packed form of DNA. (C) Insulator provides a barrier that protects against the inactivating effect from heterochromatin. (D) Centromeric DNA is normally in a heterochromatin state. (E) During mitosis, securin holds sister chromatids together.

8. Which of the following statements regarding telomere is not correct? (A) Telomere lies at the end of a chromosome. (B) Each telomere consists of a long series of short, tandemly repeated sequences. (C) Telomerase is a large ribonucleoprotein with a templating RNA and a protein with catalytic activity. (D) Ectopic expression of human telomerase reverse transcriptase (hTERT) can be used to immortalize primary cells. (E) hTERT is often down-regulated in rapidly dividing stem cells.