Multiple choice

The glycosylase released by the tips of the villi of the epithelium in the small intestine in humans is _________________.

  1. amylase

  2. sucrase

  3. chitinase

  4. β-galactosidase

  5. lactase
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sucrase is secreted by the tips of the villi of the epithelium in the small intestine. Its levels are reduced in response to villi-blunting events such as celiac sprue and the inflammation associated with the disorder. The levels increase in pregnancy/lactation and diabetes as the villi hypertrophy.

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