Question

Fill in the following tables with the proper word (NOTE: DO NOT PUT ANY WORDS IN THE PLURAL FORMAT). They describe the sequence of LIPID digestion as the food enters the digestive tract and thus leading to the components that can be absorbed by the human body.

ordan|enzvme products organ | enzvme products 7 C1 organ enzyme products C2 organ chemical substance products 12 13 14 NOTE: this is the formation of: 15 From here, fatty acids and monoglycerides associated with micelles go to the interior of the cell (in what organelle -16) and they are assembled as triglycerides; then, these associate themselves with proteins to form chylomicrons (in what organelle - 17); lastly, these are expulse from the cell and go into a lacteal (lymphatic system) where they end up in the venous blood: products 20 | → | 4 | & | 6 organ |enzvme 18 19

Answer 1

Organell 16 is golgi complex

Triglyceride (fat) - 1. Lipids are emulsified by the bile 2. Lipases break of墎Emulsion into fatty acids and monoglycerides. Lumen intestine 意臺臺烧 3, Fatty acids and Absorptive epithelial cell monoglycerides are packaged into Indo-m사 나시사사 nnnnnnn ng00 an sellesa acareo absorbed by microvilli Golgi 4. Fatty acids and monoglycerides are converted back into triglycerides The triglycerides aggregate with cholesterol, proteins, and phospholipids to form chylomicrons. Lipase Monoglyceride Capillary 5. The chylomicrons move into a lymph capillary, which transports them to the rest of the body. Lymphatic capillary H-C-OH Fatty acids

Explination

Emulsification

It is important for the digestion of lipids because lipases can only efficiently act on the lipids when they are broken into small aggregates. Lipases break down the lipids into fatty acids and glycerides. These molecules can pass through the plasma membrane of the cell, entering the epithelial cells of the intestinal lining. The bile salts surround long-chain fatty acids and monoglycerides, forming tiny spheres called micelles. The micelles move into the brush border of the small intestine absorptive cells where the long-chain fatty acids and monoglycerides diffuse out of the micelles into the absorptive cells, leaving the micelles behind in the chyme. The long-chain fatty acids and monoglycerides recombine in the absorptive cells to form triglycerides, which aggregate into globules, and are then coated with proteins. These large spheres are called chylomicrons. Chylomicrons contain triglycerides, cholesterol, and other lipids; they have proteins on their surface. The surface is also composed of the hydrophilic phosphate "heads" of phospholipids. Together, they enable the chylomicron to move in an aqueous environment without exposing the lipids to water. Chylomicrons leave the absorptive cells via exocytosis, entering the lymphatic vessels. From there, they enter the blood in the subclavian vein .