Which of the following genes cannot be expressed? ()
A: α
B: β
C: ψβ
D: δ
A: α
B: β
C: ψβ
D: δ
举一反三
- Constitutive genes are() A: genes that<br/>are expressed all the time. B: genes that<br/>are not expressed at all the time. C: genes that<br/>are expressed when needed. D: genes that<br/>are repressed.
- Which of the following genes are structural genes? (). A: The promoter B: The enhancer C: The silencing D: The guide protein synthesis
- Which one of the following export prices is correctly expressed?()
- Which of the following CANNOT describe multiculturalism?
- Which of the following elements is called “jumping genes”? A: transposons B: Plasmid, C: virulent phages D: prophage