Question

absorbed from the villi into the blood , amino acids have which of the following fates

Answer 1

absorption of amino acid from intestine to blood

generally we take amino acids in the form of its macromolecule like Protein

protein in the chyme ( the food mix throughly with acidic gastric juice of the stomach  called chyme ) reaching the intestine are acted upon by the Proteolytic enzyme of pancreatic juice and the reaction occur

protein in the presence of trypsin/chymotrypsin /carboxypeptidase is converted into dipeptide

enzyme in the success entericus ( intestinal juice) is act on the dipeptide and convert it into amino acid in the presence of dipeptidases

ABSORPTION IN SMALL INTESTINE

Small intestine is the principal organ for absorption of nutrient digestion is complete here and the final product is transferred to the large intestine

the small intestine epithelial cell lining the villi and have microvilli which further increase the the absorption area

absorption of amino acids and electrolyte and glucose is generally through simple diffusion that's mean the passage of these substance into the blood depend upon the concentration gradient

some amount of amino acid are absorbed with the help of carrier protein and the mechanism is called facilitated transport

BASICALLY hydrogen atom is added to the amine group of amino acid and the process is called deamination

so amino acid is transport via  to mechanism

mostly by simple diffusion and some amount by facilitated transport

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