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Which one of the following enzymes carries on the initial step in the digestion of milk in humans? 1. Trypsin 2. Pepsin 3. Rennin 4. Lipase

Which one of the following enzymes carries on the initial step in the digestion of
milk in humans?
1. Trypsin
2. Pepsin
3. Rennin
4. Lipase

Grade:10

1 Answers

Jitender Pal
askIITians Faculty 365 Points
9 years ago
Sol: In humans milk protein digesting enzyme in stomach is pepsin. In calves it is rennin. Rennin is also present in small amounts in human infants but not adults. Pepsin acts on water soluble caseinogen (milk protein) to form solubles 'casein'. This combines with calcium salts to form insoluble calcium paracaseinate, which gets readily digested enzymatically. Answer: (2)

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