IB BIO Digestion - 6.1 + D2
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Last updated 6:23 AM on 9/18/22
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11 Terms
1
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Understanding
The contraction of circular and longitudinal
muscle layers of the small intestine mixes the
food with enzymes and moves it along the gut.
muscle layers of the small intestine mixes the
food with enzymes and moves it along the gut.
2
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Understanding
➔ The pancreas secretes enzymes into the lumen
of the small intestine.
of the small intestine.
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Serosa
outer coat
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Muscle Layers
longitudinal muscle and inside it circular muscle
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Sub mucosa
A tissue layer containing lymph and blood vessels
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Mucosa
the lining of the small intestine epithelium cells absorb nutrients.
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What is in pancreatic juice?
Lipase
Amylase
Trypsin
Protease
Amylase
Trypsin
Protease
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What is found in saliva
Amylase
Water
Water
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Digestion in small intestine
Starch is broken into maltose by amylase
Maltose is digested by maltase into dextrins and maltotriose
Triglycerides are broken down into fatty acids by lipase.
Phospholipids are broken down in fatty acids by phospholipase.
proteins and dipeptides are digested by protease.
Maltose is digested by maltase into dextrins and maltotriose
Triglycerides are broken down into fatty acids by lipase.
Phospholipids are broken down in fatty acids by phospholipase.
proteins and dipeptides are digested by protease.
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Undigested 1,6 bonds
are broken down into dextrins.
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where is glucose absorbed?
the villus of the small intestine via co transport then is moved into the interstitla fluid via
