24. A cis-acting DNA sequence that modulates the basal rate of transcription of a gene is termed a(n)_______.
(A) initiator
(B) activator
(C) promoter
(D) enhancer

25. Zinc-finger peptide motifs are responsible for what aspect of protein function?(A) kinase activity (B) DNA binding (C) mRNA splicing (D) methylation

26. How are complex processes such as sporulation, synthesis of flagella, and nitrogen fixation that require the transcription ofmultiple sets of genes regulated in bacteria?(A) Multiple operons are simultaneously induced.(B) Cascades of sigma factors synthesized in a temporal order, allow the turning on of successive sets of genes.(C) The end product of one operon is used as an inducer of the next operon in sequence.(D) There are single operons consisting of many genes for each of these processes.

27. As a general principle of gene regulation through operons, regulatory genes encode(A) trans-acting proteins that interact with cis-acting DNA elements.(B) cis-acting proteins that interact with cis-acting DNA elements.(C) cis-acting proteins that interact with trans-acting DNA elements.(D) trans-acting proteins that interact with trans-acting DNA elements.

28. In the regulation of the trp operon, tryptophan acts as a(n)__________.(A) repressor (B) attenuator (C) activator (D) corepressor

29. The transition from transcriptional initiation to elongation involves(A) binding of sigma factor. (B) release of sigma factor.(C) release of RNA polymerase from DNA. (D) binding of RNA polymerase to DNA.

30. A tRNA that recognizes a nonsense codon and inserts an amino acid where protein synthesis should have stopped is called a(n)______________.(A) nonsense tRNA (B) suppressor tRNA (C) revertant tRNA (D) excision tRNA

31. In the modification of eukaryotic mRNA, a "cap" consisting of a/an _________and a tail consisting of_________are usually added to the transcript.(A) acetyl group, multiple cytosines (B) multiple guanines, methyl group(C) multiple thymines, acetyl group (D) methyl group, multiple adenines

32. RNA molecules that can act as enzymes and catalyze specific biochemical reactions are known as_________.(A) donors (B) splice acceptors (C) ribozymes (D) tRNAs

33. The retroviruses, including HIV, are unique because they do reverse __(A) replication. (B) transcription. (C) splicing. (D) translation.

34. There are _________usually found in the genetic code.(A) 3 start codons and 1 stop codon(B) 2 start codons and 2 stop codons(C) 1 start codon and 3 stop codons(D) 0 start codons and 4 stop codons

115年 - [無官方正解]115 國立清華大學_碩士班入學考試試題_生命科學暨醫學院甲組(生物與醫學科學組)：分子生物學#142697

114年 - [無官方正解]114 國立中正大學_碩士班招生考試試題_生物醫學科學系：分子生物學#138414

114年 - [非官方正解]114 國立清華大學_碩士班入學考試試題_生命科學暨醫學院甲組(生物與醫學科學組)：分子生物學#132699

113年 - [無官方正解]113 國立中正大學_碩士班招生考試試題_生物醫學科學系：分子生物學#136961

113年 - [非官方正解]113 國立成功大學_碩士班招生考試_藥理學研究所 :分子生物學#126004

113年 - [非官方正解]112 國立臺灣大學_碩士班招生考試：分子生物學(B)#118906

112年 - [非官方正解]112 國立臺灣大學_碩士班招生考試：分子生物學(C)#120020

112年 - [非官方正解]112 國立臺灣大學_碩士班招生考試：分子生物學(B)#120007

112年 - [非官方正解]112 國立臺灣大學_碩士班招生考試：分子生物學(D)#118608

112年 - 112 國立臺灣大學_碩士班招生考試：分子生物學(A)#118594