In large intestine vitamin K is formed by the activity of:
Correct answer: D. Facultative bacteria
- A. Symbiotic bacteria
- B. Obligate parasite
- C. Parasitic bacteria
- D. Facultative bacteria
Explanation
Some symbiotic bacteria are stored in the caecum, and help in the formation of 'Vitamin K', which is essential to the human body.
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The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.
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