Swarming is:
A)many bacterial colonies crowded together at one place on the agar plate.
B)when colonies on a blood agar plate have a "halo" around the bacterial colony.
C)when a bacterial colony on a blood agar plate grows over the top of the erythrocytes it hemolyzed.
D)a hazy blanket of growth on the surface of the agar that extends way beyond the streak lines.

Question

Quizplus · Accepted Answer

Swarming is the hazy blanket of growth on the surface of the agar that extends way beyond the streak lines.It is caused by two species of gram-negative bacteria that are motile: Proteus mirabilis and P.vulgaris.

Swarming Is