Why is it essential - acidi medium in stomach b) alkaline medium in small intestine
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acidic medium is required in stomach to digest food......kills organisms that enter our stomach through food...
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In the stomach, hydrochloric acid and pepsinogen, interact to create pepsin, an enzyme that plays a very important role in protein digestion. The process that takes place, when proteins are disintegrated by the enzymes is called hydrolysis. Hence, protein digestion is possible only in acidic medium.
The enzymes in the small intestine work best in alkaline conditions - but the food is acidic after being in the stomach. ... it neutralises the acid - providing the alkaline conditions needed in the small intestine. it emulsifies fats - providing a larger surface area over which the lipase enzymes can work.
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