Multiple choice

Ptylin enzyme is present in the

  1. stomach

  2. pancreas

  3. liver

  4. mouth
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ptyalin (also known as salivary amylase) is an enzyme present in saliva, which is produced in the mouth by salivary glands. It begins the digestion of starch into simpler sugars like maltose. The enzyme works optimally in the slightly acidic to neutral pH of the mouth (pH 6.7-7.0). No ptyalin is present in the stomach, pancreas, or liver.

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