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Large fat molecules have to undergo various changes before they can be absorbed. Which one of the following changes is incorrect?a.Chylomicrons are transported in the lymphatic system until they enter the blood stream.b.The content of the micelles diffuses into the intestinal cells, while bile salt is released and returns to the lumen of the GIT.c.Monoglycerides along with fatty acids are emulsified by bile to form micelles.d.Glycerol and short chain fatty acids diffuse into the micelles and travel to the liver via the portal vein.

Question

Large fat molecules have to undergo various changes before they can be absorbed. Which one of the following changes is incorrect?a.Chylomicrons are transported in the lymphatic system until they enter the blood stream.b.The content of the micelles diffuses into the intestinal cells, while bile salt is released and returns to the lumen of the GIT.c.Monoglycerides along with fatty acids are emulsified by bile to form micelles.d.Glycerol and short chain fatty acids diffuse into the micelles and travel to the liver via the portal vein.

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Solution

The incorrect statement is d. Glycerol and short chain fatty acids diffuse into the micelles and travel to the liver via the portal vein.

In reality, glycerol and short chain fatty acids are absorbed directly into the bloodstream and then travel to the liver, not via micelles. Micelles are involved in the absorption of long chain fatty acids and monoglycerides, not glycerol and short chain fatty acids.

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