E. coli causes diarrhea when food infected by this bacteria is consumed. however, e. coli also aids in the digestion of food. which of the following statement justifies its role? e. coli function depends on quality of food e. coli strains are harmful as well as beneficial e. coli is capable of changing shape and fuction

The correct answer is-E. Coli strains are harmful as well as beneficial

Explanation:

E. coli are the bacteria which have different strains and most of the strains of E. coli are harmless to humans and some live in a symbiotic relationship with humans in the human intestine.

In the intestine, they are present as normal microflora of the intestine and play important role in the digestion of food but some of the strains of E.coli that are not normal microflora of intestine and can be harmful to humans.

O157: H7 is the strain of E.coli when gets inside the human body through the food that can cause serious diarrhea and renal damage. Therefore E.coli strains are harmful as well as beneficial.

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