Question

2.Which one of the following is true regarding chylomicrons?

A. they are first transported to the cells of the body by the lymphatic vessels

B. they are secreted into the duodenum by the gallbladder

C. they bring fatty acids close to absorptive intestinal cells in the lumen

D. they are exocytosed across the luminal membrane of intestinal cells

Answer 1

Ans:- A) they are first transported to the cells of the body by the lymphatic vessels.

Chylomicron: A small fat globule composed of protein and lipid (fat). Chylomicrons are found in the blood and lymphatic fluid where they serve to transport fat from its port of entry in the intestine to the liver and to adipose (fat) tissue.

B) bile is secreted into duodenum

C) micelles bring fat close to absortive surface of intestine.

D)they are exocytosis across basolateral membrane into lymphatic duct.