Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

PLEASE EXPLAIN: A strain of E. coli with the genotype arg- bio- gal- Str R is ab

ID: 147825 • Letter: P

Question

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

the amino acid arginine and the sugar galactose.

the amino acid arginine and the vitamin biotin.

the sugar galactose and the antibiotic streptomycin.

the amino acid arginine and the antibiotic streptomycin.


the vitamin biotin and the sugar galactose.

A.

the amino acid arginine and the sugar galactose.

B.

the amino acid arginine and the vitamin biotin.

C.

the sugar galactose and the antibiotic streptomycin.

D.

the amino acid arginine and the antibiotic streptomycin.

E.


the vitamin biotin and the sugar galactose.

Explanation / Answer

A strain of E. coli with the genotype arg- bio- gal- StrR is able to grow on minimal medium supplemented with:

B) The amino acid arginine and the vitamin biotin.

Hire Me For All Your Tutoring Needs
Integrity-first tutoring: clear explanations, guidance, and feedback.
Drop an Email at
drjack9650@gmail.com
Chat Now And Get Quote