Course

Genetics

Study Pack

Set 20 Molecular Technologies

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Question 1

(Multiple Choice)

Free
Small circular pieces of bacterial DNA that are used as vectors in cloning experiments are called ________.

A) phages
B) viruses
C) plasmids
D) chromosomes

Answer

Question 2

(Multiple Choice)

Free
In a cloning experiment with chromosomal DNA,you use a vector that contains a lacZ gene as a selectable marker.If the competent cells are grown on X-Gal and IPTG,which colonies would contain cloned chromosomal DNA?

A) the white colonies
B) the blue colonies
C) half the total colonies
D) none of the colonies

Answer

Question 3

(True False)

Free
Restriction endonucleases recognize specific DNA sequences.

Answer