What function do E.Coli provide in the human body?

A.

They have no beneficial function.

B.

They help maintain the condition of the skin.

C.

They prevent other, more harmful bacteria from growing in the mouth.

D.

They create vitamins in the intestines.

Question

What function do E.Coli provide in the human body?

A.   
    
They have no beneficial function.

B.   
    
They help maintain the condition of the skin.

C.   
    
They prevent other, more harmful bacteria from growing in the mouth.

D.   
    
They create vitamins in the intestines.

anonymous · Answer

D. The harmless strains are part of the normal flora of the gut, and can benefit their hosts by producing vitamin K. They also assist in general digestion