McConkey Agar is selective and differentialbecause____________.
Select one:
a.Only E.coli can grow on McConkey Agar.
b.It inhibits the growth of gram-positive bacteria and otherbacteria do not show any color changes
c.It allows the growth of only Gram-negative bacteria andbacteria growing on the agar show color changes depending on theirmetabolic capabilities.
d.It allows the growth of all bacterial species.
e. It contains antibiotics and hence is selective.
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