In human milk protein digesting enzyme in stomach is pepsin. In calves it is renin. It is also present in small amounts 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.
Which of the following enzymes carries out the initial step in the digestion of milk in humans?
NEET UG 2011 — Zoology Biotechnology and Its Applications
2011mcqmedium
Which of the following enzymes carries out the initial step in the digestion of milk in humans?
Official previous-year question
Held on 30 Apr 2011 · Verified 9 Jul 2026.
Options
- A
Rennin
- B
Lipase
- C
Trypsin
- D
Pepsin
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