A Strain of E

question 9

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.

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