A: enhancer
B: promoter
C: silencer
D: operator
E: attenuator
举一反三
- Operator is bound by A: activator B: repressor C: promoter D: enhancer E: silencer
- In the initiation process of transcription, the sequence of DNA that allows RNA polymerase to bind is called A: the promoter region. B: the enhancer region. C: the termination region. D: the un-translated region (UTR)
- In which area will the RNA polymerase attach allowing transcription to occur? A: regulator B: promoter C: operator D: terminator
- Using the DNA template in a process called _______ RNA is synthesized utilizing which enzyme? A: translation, RNA polymerase B: transcription, DNA polymerase C: transcription, RNA polymerase D: replication, DNA polymerase
- Both eukaryotic RNA polymerase and prokaryotic RNA polymerase can directly recognize and bind to promoter.(<br/>)
内容
- 0
Which of the following biological process needs RBS sequence: A: Splicing of mRNA in eukaryotic cells B: Transcription of DNA in prokaryotic cells C: The recognition of start codon by eukaryotic ribosome D: The location of ribosome in mRNA in prokaryotic cell E: The termination of transcription in prokaryotes
- 1
The polymerase which is used in DNA replication is ( ) A: DNA-dependent RNA polymerase B: DNA-dependent DNA polymerase C: RNA-dependent RNA polymerase D: RNA-dependent DNA polymerase E: none of above
- 2
RNA polymerase is an enzyme that is responsible for copying a DNA sequence into an RNA sequence, during the process of transcription.（）
- 3
Which of the following statements are correct ( ) A: In eukaryotes, a gene can encode different proteins, but a mature mRNA chain encodes only one protein. B: The function of the promoter is affected by both the DNA sequence and its conformation. C: TFs help RNA polymerase recognize the promoter. D: In DNA biosynthesis, semi-reserved replication and semi-discontinuous replication refer to the same concept.
- 4
Which of the following statements about a protein-coding gene is NOT true? A: An enhancer is not a DNA sequence. B: It may have many exons and introns. C: The promoter region is not transcribed. D: Transcription factors can bind to the promoter region.