Question

16. What will happen to protein digestion as the medium of intestine is gradually
rendered alkaline ?
2M
Ans. 1. The medium of stomach is acidic where proteins are broken down into smaller
molecules with the help of enzyme pepsin.
2. Protein digestion continues even if the medium of intestine is gradually changed
to alkaline where proteins are broken down to further small amino acids which
are absorbed into blood
3
Bile and pancreatic juices render the internal condition of the intestine gradually
to alkaline condition​

Answer 1

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1. The food coming from the stomach to intestine is acidic in nature.

2. Bile and pancreatic juices render the internal condition of the intestine gradually to a basic or alkaline one.

3. In the alkaline medium, pancreatic enzymes trypsin can act on the food and digests the proteins.

4. The enzymes present in the intestinal juice complete the digestion of proteins into amino acids.

5. Roughages are the fibers of carbohydrates or proteins.