| Front | Outline the process of carbohydrate digestion and absorption ( 7 marks) |
|---|---|
| Back | Digestion: salivary amylase/pancreatic amylase digests starch/glycogen; to maltose; maltose digested by maltase to glucose; sucrose digested by sucrase to glucose and fructose; lactose digested by lactase to glucose and galactose; lactase/maltase/sucrase are in intestinal juice/succus entericus; Absorption glucose/galactose/fructose absorbed in ileum/small intestine; fructose absorbed by facilitated diffusion; glucose/galactose actively absorbed; in combination with sodium ions/ref carrier protein needs glucose + galactose + Na+ to work; |
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