Plasmid

Plasmid is bacterial

In recombinant DNA technology a plasmid vector is cleaved by

In recombinant DNA technology a plasmid vector is cleaved by</p></p>

Factor F is a kind of plasmid belonging to appendage, which mediates the conjugation of Escherichia coli

Bacteria that contain ”empty” plasmid, (plasmid without the eukaryotic gene) would grow? in all four types of broth.|only in the broth containing both antibiotics.|in the broth containing tetracycline, but not in the broth containing ampicillin.|in the nutrient broth plus ampicillin, but not in the broth containing tetracycline.

下面关于松弛型质粒(relaxed plasmid)性质的描述中，( )是不正确的

Which of the following elements is called “jumping genes”? A: transposons B: Plasmid, C: virulent phages D: prophage

The two main types of DNA libraries are[u]      [/u]. A: Plasmid B: Genomic C: cDNA D: PCR

Which step involves transformation? A: target DNA removed from cells and isolated B: cloning host takes up a plasmid C: target DNA and plasmid treated with the same restriction endonuclease D: desired protein is produced by cloning host E: gene is amplified by multiplication of cloning host