Riboswitch involves:
A: taRNA
B: crRNA
C: hairpin structure
D: ta promoter
E: cr promoter
A: taRNA
B: crRNA
C: hairpin structure
D: ta promoter
E: cr promoter
A,B,C,D,E
举一反三
- 启动子（promoter）是指
- Operator is bound by A: activator B: repressor C: promoter D: enhancer E: silencer
- When only glucose is available to E. coli in the culture medium: ( ) A: cAMP-CAP is bound to the promoter； B: cAMP-CAP is not bound to the promoter； C: The repressor is not bound to the operator； D: The lac operon is turn on
- 发夹结构（hairpin structure
- Which of the followings are composite parts? A: Protein generator B: Inverter C: RBS D: promoter E: enhancer
内容
- 0
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.
- 1
Operon do not include( ): A: promoter B: regulatory sequence C: operator D: structural gene E: trans-acting factor
- 2
The working principle of riboswitch involves： A: negative feedback B: positive feedback C: cis-repression D: trans-activation E: feedforward
- 3
能与阻遏蛋白相结合的调控序列，叫做 A: RBS B: operon C: promoter D: operator E: SD序列
- 4
Which of the following genes are structural genes? (). A: The promoter B: The enhancer C: The silencing D: The guide protein synthesis