Multiple Choice
Two plasmids are used in a recombinant DNA procedure.Plasmid 67A carries a gene for resistance to the antibiotic ciprofloxacin,and plasmid 65B carries a gene for resistance to the antibiotic tetracycline.The plasmids are cut with HindIII restriction endonuclease,and then mixed with DNA ligase.In this procedure,what is the role of tetracycline?
A) It enhances transformation.
B) It is a selectable marker.
C) It is a vector.
D) It ligates the DNAs.
E) It provides color to the bacterial colonies.
Correct Answer:
Verified
Correct Answer:
Verified
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