In the following process of digestion, the enzymes at location 'X' and 'Y' are respectively proteins $X \to$ proteoses and peptones $Y \to$ dipeptides.

Chymotrypsin and pepsin

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Pepsin and trypsin

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Ptyalin and pepsin

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Trypsin and di-peptidase

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Solution

The correct option is B Pepsin and trypsin
Pepsin is a digestive enzyme secreted by the stomach that is involved in the breakdown of proteins to proteoses and peptones. Peptones are soluble proteins formed initially during protein digestion. Proteoses are water soluble short chains of peptides formed by the breakdown of proteins. Trypsin is a component of pancreatic juice which digests proteoses and peptones into the dipeptides. Thus the correct answer is option B.

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In the following process of digestion, the enzymes at location 'X' and 'Y' are respectively proteins X→ proteoses and peptones Y→ dipeptides.

In the following process of digestion, the enzymes at location 'X' and 'Y' are respectively proteins $X \to$ proteoses and peptones $Y \to$ dipeptides.