Methylene Blue in EMB Agar Slightly Inhibits

Question

Methylene blue in EMB agar slightly inhibits
A) gram-positives.
B) gram-negatives.
C) viral plaques.
D) both gram-positives and gram-negatives.

Accepted Answer

Methylene blue in EMB agar is a selective agent that inhibits the growth of gram-positive bacteria, allowing for the differentiation and isolation of gram-negative bacteria.