AS Biology monosaccharides and disaccharides

Frage	Antworten
what are polysaccharides	poly means many carbohydrates starch for plant storage is good due to its alfa-helical structure
What is lactose intolerance?	when undigested lactose reaches large intestine microorganisms break it down giving result of lots of gas
lactose intolerance can result in	bloating diarrhoea
monosaccharides are	simple sugars eg glucose or fructose
what happens when two monosaccharides join together	a disaccharides formed by condensation reaction
What are the 2 types of isomers	beta-glucose alpha-glucose
what bond is a alpha-glucose isomer?	1-4 glycosidic bond
what bond is a beta-glucose isomer?	1-4 glycocidic bond
what are disaccharides?	2 monosaccharides joined together
what are the 3 types of disaccharides?	maltose lactose sucrose
what is maltose used for?	germinating seeds
what is sucrose used for?	transport carbohydrate in plants
what is lactose used for?	milk
what is a condensation reaction	two monomer join together and water is released
characteristics of non-reducing sugars?	no free carbonyl group don't reduce other molecules
characteristics of reducing sugars?	have free carbonyl group can reduce molecules
examples of reducing sugars?	glucose fructose maltose lactose
examples of non-reducing sugars	sucrose

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