Proteins must first be enzymatically degraded to single amino acids before entering the capillaries of the hepatic portal system.Is this True or False? What is the significance of this? Is absorption of carbohydrates and lipids restricted to monomers? Explain.

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Absorption of small peptides allows peptides to provoke food allergies.The transporters for peptides are also responsible for absorption of some drugs.Carbohydrates are digested to monosaccharides because there are no transporters for larger carbohydrates.Lipids are absorbed as cholesterol, fatty acids, and monoglycerides, primarily by simple diffusion because they are lipophilic.

Proteins Must First Be Enzymatically Degraded to Single Amino Acids