Question

The E. coli strain MC636 has the genotype ara^– met^– arg^–bio^–gal^–Tet^R is able to grow on minimal medium (containing glucose as a carbon source) if it is supplemented with: (and please explain)

	I.	the amino acid arginine and methionine and the antibiotic tetracycline
	II.	the amino acids arginine and methionine and the vitamin biotin
	III.	the amino acid arginine and methionine and the sugar galactose
	IV.	the vitamin biotin and the sugar galactose
	V.	the sugar galactose and the antibiotic tetracycline.