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  • What vitamin does E. Coli bacteria produce in your intest...
Multiple choice

What vitamin does E. Coli bacteria produce in your intestines?

  1. vitamin B12

  2. vitamin D

  3. vitamin E

  4. vitamin K

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

E. coli bacteria in the human gut are known to synthesize vitamin K, which is essential for blood clotting. This is a well-known symbiotic relationship.

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