The role of bacterial population in the large intestine of man is to;
Correct answer: B. synthesize some vitamins
- A. break down of cellulose
- B. synthesize some vitamins
- C. produce intestinal juice
- D. absorb water and mineral salts
Explanation
The large intestine is home to trillions of bacteria which are majorly involved in the production of vitamins (vit B1, B9, B7, B2, b5, vitamin K) and controlling growth of harmful bacteria.
This question appeared on the ETEA MDCAT 2006 paper, which you can sit online with every answer explained.
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About Human Digestive System
The human digestive system breaks food into absorbable molecules through mechanical processing, enzyme action and chemical conditions along the alimentary canal. Questions cover the mouth, stomach, small and large intestines, liver, pancreas and associated secretions, including the digestion and absorption of carbohydrates, proteins, lipids, vitamins, minerals and water.
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