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Question
Escherichia coli is a bacterium which is common inhabitant of
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Solution
The correct option is C Human intestine
Escherichia coli are Gram-negative, facultative aerobic bacteria. They are common inhabitant of human intestines. These strains of E. coli are harmless. They form the part of the normal microbiota of the intestine. They live in symbiotic association. They benefit hosts by producing vitamin K2 and preventing colonization of the intestine with pathogenic bacteria.Thus, the correct answer is 'Human intestine.'
Escherichia coli are Gram-negative, facultative aerobic bacteria. They are common inhabitant of human intestines. These strains of E. coli are harmless. They form the part of the normal microbiota of the intestine. They live in symbiotic association. They benefit hosts by producing vitamin K2 and preventing colonization of the intestine with pathogenic bacteria.
Thus, the correct answer is 'Human intestine.'
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