Multiple choice

With reference to the human body, which one of the following statement is correct?

  1. Lipases are insoluble in water.

  2. Trypsin acts best in an acidic PH.

  3. Pepsin actions is enhanced in the duodenum by the alkalinity.

  4. Bile salts are steroids.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Bile salts are derived from cholesterol and have a steroid nucleus structure (cyclopentanoperhydrophenanthrene ring system). Lipases are water-soluble enzymes. Trypsin is a pancreatic enzyme that works best in alkaline pH of small intestine. Pepsin is denatured by the alkaline environment of duodenum.

Keep practicing — related questions