A 100 Ml Sample of Water Is ?Ltered Through a Sterile

Multiple Choice

A 100 ml sample of water is ?ltered through a sterile membrane, and the membrane is transferred to a plate of m-Endo agar. Following overnight incubation at 37°C, 57 green metallic colonies appear. The coliform count is _______.

A) 0.57 per 100 ml
B) 57 per 100 ml
C) 5700 per 100 ml
D) too numerous to count