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Chapter 15: Q. 15.49 (page 535)

What is the function of bile salts in digestion?

Short Answer

Expert verified

Bile salts are made from cholesterol in the liver and stored in the gallbladder. Bile salts combine with the water-insoluble fats and oils in our diets when bile is secreted into the small intestine.

Step by step solution

01

Introduction.

Bile salts are formed by conjugating bile acids with glycine or taurine. They are made directly from cholesterol in the liver.

The formed emulsion has a larger surface area for lipases, which are enzymes that digest fat. Bile salts aid in cholesterol absorption into the intestinal mucosa.

02

Given Information.

Describe the role of bile salts in digestion.

03

Explanation.

Bile salts are made from cholesterol in the liver and stored in the gallbladder. Bile salts combine with the water-insoluble fats and oils in our diets when bile is secreted into the small intestine.

Bile salts have a polar and a nonpolar region, which allows them to break up and emulsify large globules of fat.

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