Vectors Multiple Questions and Answers.




1.Circular DNA used for cloning is called?
A. DNA polymerase
B. RNA polymerase
C. Phagosome
D. Plasmid

2.Which of the following is NOT a cloning vector?
A. Bacterial plasmid
B. Cosmids
C. Bacteriophage
D. E.coli

3.Cloning vector has the following properties, except one?
A. Contain genetic marker for selection
B. Ability to replicate
C. Multiple restriction site for entry of DNA
D. Contain nonessential DNA to optimize cloning

4.Which of the following is NOT the characteristics of the plasmid?
A. Replicate independently in a host cell
B. Selectable marker gene
C. Contain single cloning site
D. Small in size

5.Which of the following is TRUE for YAC?
A. Recognizes palindromic sequences
B. Two fold axial symmetry
C. Recognize specific site according to DNA sources
D. Derived from DNA of the Yeast

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