Antibiotic Resistance Genes Are Often Included on Plasmid Vectors Because

Antibiotic resistance genes are often included on plasmid vectors because

A) antibiotic resistance is used to select for bacteria cells containing the vector.
B) antibiotic resistance can be used to control the growth of the genetically modified organism.
C) antibiotics are often present in humans being treated for disease.
D) only bacteria are affected by antibiotics.
E) antibiotic resistance genes can be used as transcriptional reporters.