carbohydrates
- Created by: daniel king
- Created on: 12-11-14 15:57
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- carbohydrates
- what is a carbohydrate?
- carbohydrates are made from monosaccharides
- all carbohydrates contain the elements C H and O
- most carbohydrates are polymers
- the monomers they are made from are monosacharides E.G glucose fractose and galactose
- monosaccharides
- monosaccharides join together too form disaccharides (two) and polysachharides(many)
- like proteins monosaccharides are joined together by a condenstaion reaction
- during the condesation reaction a water molecule is released and a glycosidic bond forms between the two monosacchrides
- like proteins monosaccharides are joined together by a condenstaion reaction
- monosaccharides join together too form disaccharides (two) and polysachharides(many)
- monosaccharides
- the monomers they are made from are monosacharides E.G glucose fractose and galactose
- most carbohydrates are polymers
- all carbohydrates contain the elements C H and O
- carbohydrates are made from monosaccharides
- monosaccharides
- monosaccharides join together too form disaccharides (two) and polysachharides(many)
- like proteins monosaccharides are joined together by a condenstaion reaction
- during the condesation reaction a water molecule is released and a glycosidic bond forms between the two monosacchrides
- like proteins monosaccharides are joined together by a condenstaion reaction
- monosaccharides join together too form disaccharides (two) and polysachharides(many)
- breaking down
- disacchrides and polysacchraides are broken down during digestion
- enzymes released by the intestinal epithelium nydrolyse disaccharides and polysacccharides
- disacchrides and polysacchraides are broken down during digestion
- lactose
- lactose intolerance is cause by the lack of lactase
- lacrose is a sugar found in milk
- it is digested by an enzyme called lactase found in the intestine
- undigested lactase is fermentated by bacteria and can cause a whole host of intestinal complaints such as stomach cramps, excessive flatulance and diarrheoa
- it is digested by an enzyme called lactase found in the intestine
- lacrose is a sugar found in milk
- lactose intolerance is cause by the lack of lactase
- starch
- starch is made up of a mixture of two polysacharides- amylose and amylopectin
- both consist of long chains of alpha glucose linked together by glycosidic bonds formed in a condensation reaction
- when starch is digested, its first broken down into maltose by amylase- an enzyme released by the salivary glands and the pancreas
- maltose is broken down into alpha glucosen molecules by maltase, which is released by the small intestine
- when starch is digested, its first broken down into maltose by amylase- an enzyme released by the salivary glands and the pancreas
- both consist of long chains of alpha glucose linked together by glycosidic bonds formed in a condensation reaction
- starch is made up of a mixture of two polysacharides- amylose and amylopectin
- what is a carbohydrate?
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