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
Correct Answer:
Verified
Q3: Restriction endonucleases recognize specific DNA sequences.
Q4: Small circular pieces of bacterial DNA that
Q4: What do competent cells do?
A) resist transfection
Q5: What is a DNA library?
A) a collection
Q6: Select the technique that can be used
Q9: DNA ligase is needed in a cloning
Q10: Site-directed mutagenesis allows researchers to produce a
Q11: A plasmid that contains separate origins of
Q11: What is the purpose of RT(reverse transcriptase)-PCR?
A)
Q19: Which of the following is an example
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