举一反三
- 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
- In eukaryotes, the RNA polymerase responsible for mRNA transcription is A: RNA polymerase I B: RNA polymerase II C: RNA polymerase III D: RNA holoenzyme E: RNA core enzyme
- 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)
- If the DNA strand shown below is used as a template for RNA polymerase, what would be the sequence of the resultant mRNA following transcription? 5'-CATTCCATAGCATGT-3'
- RNA polymerase holoenzyme initiates transcription which involves A: recognition of the -10 sequence and -35 sequence B: recognition of the -10 sequence onl C: recognition of the -35 sequence only D: recognition of the -100 sequence only E: none of the above
内容
- 0
Which of the following RNA polymerase is responsible for the transcription of protein-coding genes in eukaryotes? A: RNA polymerase I B: RNA polymerase II C: RNA polymerase III D: RNA polymerase IV
- 1
Which of the following statements about the σ subunit of RNA polymerase is wrong? () A: It enables the enzyme to transcribe asymmetrically. B: It confers on the core enzyme the ability to initiate transcription at promoters. C: It decreases the affinity of RNA polymerase for regions of DNA that lack promoter sequences. D: It facilitates the termination of transcription by recognizing hairpins in the transcript.
- 2
The process of converting ribonucleotide sequence into complementary deoxyribonucleotide sequence is transcription (1 point)
- 3
If the DNA strand shown below is used as a template for RNA polymerase, what would be the sequence of the resultant mRNA following transcription? 5'-CATTCCATAGCATGT-3' A: 5'-UGUACGAUACCUUAC-3' B: 5'-CAUUCCAUAGCAUGU-3' C: 5'-GUAAGGUAUCGUACA-3' D: 5'-ACAUGCUAUGGAAUG-3'
- 4
The enzyme used in the polymerase chain reaction is ( ) A: restriction endonuclease B: reverse transcriptase C: DNA polymerase D: RNA polymerase