In E. Coli O157:H7, the O157:H7 Refers to The

Question

In E. coli O157:H7, the O157:H7 refers to the
A) specific type of DNA present.
B) specific genus.
C) general family.
D) the specific LPS and flagella type present.
E) pathogenic ability.

Accepted Answer

The O157 is a specific type of lipopolysaccharide (LPS) present on the surface of the bacterial cell and the H7 refers to a specific type of flagella. These are virulence factors that contribute to the pathogenic ability of E. coli O157:H7.