Which of the Following Does Not Pertain to the Mutualistic

Question

Which of the following does not pertain to the mutualistic organism E.coli
A)Found in large numbers on human host
B)Found in the human intestinal tract
C)Synthesizes vitamin K
D)Synthesizes blood clotting factors

Accepted Answer

E. coli does not synthesize blood clotting factors. It does, however, live in large numbers on the human host, specifically in the human intestinal tract, and synthesizes vitamin K.