MASS TRANSPORT

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  • Created by: macy1
  • Created on: 19-06-18 07:25
BREAK DOWN OF CARBOHYDRATES
-Amylase converts starch to maltose by hydrolyzing the glycosidic bonds. Its produced by the salivary glands and the pancreas.MBD are attached to the membrane of an epithelial cell (ileum), they break down disaccs into monosaccs.
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BREAK DOWN OF LIPIDS
-Lipase converts lipids to monogly and fatty acids by hydrolyzing the ester bonds. Made in pancreas & in small intestine. Bile salts emulsify lipids and form small droplets (bigger surface area). Monogly and fatty acids stick to bile to form micelles
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BREAK DOWN OF PROTEINS ENDO
-Hydrolyze peptide bonds in a protein. Trypsin and chymotrypsin. Made in pancreas & small intestine.
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BREAK DOWN OF PROTEINS EXO
-Hydrolyze peptide bonds at the end of proteins, remove singla amino acids. Dipeptidases are on the cell surface membrane of epithelial cells in the small intestine
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ABSORPTION OF MONOSACCHARIDES
-Glucose is absorbed by active transport with sodium ions and co-transporter proteins. Fructose is absorbed by facilitated diffusion.
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ABSORPTION OF MONOGLY & FATTY ACIDS
-Micelles move them towards the epithelium. They then release the fatty acids & monoggly. Diffuse straight across the membrane
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ABSORPTION OF AMINO ACIDS
-Sodium ions are actively transported out of epithelial cells to the ileum. Then diffuse back into cells by sodium-dependent transporter proteins.
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PROCESS OF INSPIRATION
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PROCESS OF EXPIRATION
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Other cards in this set

Card 2

Front

BREAK DOWN OF LIPIDS

Back

-Lipase converts lipids to monogly and fatty acids by hydrolyzing the ester bonds. Made in pancreas & in small intestine. Bile salts emulsify lipids and form small droplets (bigger surface area). Monogly and fatty acids stick to bile to form micelles

Card 3

Front

BREAK DOWN OF PROTEINS ENDO

Back

Preview of the front of card 3

Card 4

Front

BREAK DOWN OF PROTEINS EXO

Back

Preview of the front of card 4

Card 5

Front

ABSORPTION OF MONOSACCHARIDES

Back

Preview of the front of card 5
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