Moderate
Which of the following is not present in saliva________________?
Correct answer: D. Trypsin
- A. Lysozyme
- B. Phosphate
- C. Bicarbonate
- D. Trypsin
Explanation
Saliva contains antimicrobial lysozyme and the buffers phosphate and bicarbonate, but it does not normally contain the digestive enzyme trypsin. Trypsin is chiefly associated with pancreatic secretion.
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