Which of the following elements is called “jumping genes”?
A: transposons
B: Plasmid,
C: virulent phages
D: prophage
A: transposons
B: Plasmid,
C: virulent phages
D: prophage
举一反三
- Which of the following genes cannot be expressed? () A: α B: β C: ψβ D: δ
- Which of the following genes are structural genes? (). A: The promoter B: The enhancer C: The silencing D: The guide protein synthesis
- Which of the following elements are not the five elements? A: Ice B: Wood C: Metal D: Electrisity
- Which of the following are the elements of communication?
- Which of the following components can be recognized by phages as receptors for Escherichia coli? (). A: Lipopolysaccharide B: Peptidoglycan C: Flagellum D: Pili