A Strain of E

Multiple Choice

A strain of E.coli with the genotype arg^-bio^-gal^-Tet^R is able to grow on minimal medium (containing glucose as a carbon source) supplemented with:

A) the amino acid arginine and the antibiotic tetracycline.
B) the amino acid arginine and the vitamin biotin.
C) the amino acid arginine and the sugar galactose.
D) the vitamin biotin and the sugar galactose.
E) the sugar galactose and the antibiotic tetracycline.