Which of the following enzymes carries out the initial step in the digestion of milk in adult humans?

Rennin

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Lipase

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Trypsin

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Pepsin

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Solution

The correct option is D Pepsin
In humans, milk protein digesting enzyme in stomach is pepsin. In calves it is rennin. It is also present in small amount in human infants but not adults. Pepsin acts on water soluble caseinogen (milk protein) to form soluble casein. This combines with calcium salts to form insoluble calcium paracaseinate, which gets readily digested enzymatically.

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Similar questions

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

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