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What three elements do carbohydrates contain?
carbon, hydrogen and oxygen
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Monosaccharides
alpha glucose; beta glucose; fructose; galactose; ribose; deoxyribose
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Disaccharides
sucrose; maltose; lactose
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Polysaccharides
starch; cellulose; glycogen
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What properties do mono and disaccharides have?
small molecules; soluble; sweet
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What properties do polysaccharides have?
polymers/ large molecules; insoluble; not sweet
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What is the formula for ribose and what is it part of?
C6H10O5 part of the RNA
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What is the formula of deoxyribose and what is it part of?
C5H10O4 part of DNA
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What is the difference between an alpha glucose molecule and a beta glucose molecule?
on carbon 1 the hydroxide and hydrogen are the other way round on the beta particle.
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How are glycosidic bonds formed?
two monosaccharides joined by a condensation reaction
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how can the glycosidic bond be split?
by hydrolysis
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Maltose
alpha glucose + alpha glucose
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Sucrose
alpha glucose + fructose
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Lactose
alpha glucose + galactose
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How is Maltose formed?
when starch is broken down by the enzyme amylase
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When is Maltose formed?
in digestion in animals and germination of seeds
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How is Sucrose formed?
sugars are transported in plants
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Where is lactose found?
in mammalians milk
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How is lactose important for mammals?
for infant diets
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Other cards in this set

Card 2

Front

Monosaccharides

Back

alpha glucose; beta glucose; fructose; galactose; ribose; deoxyribose

Card 3

Front

Disaccharides

Back

Preview of the front of card 3

Card 4

Front

Polysaccharides

Back

Preview of the front of card 4

Card 5

Front

What properties do mono and disaccharides have?

Back

Preview of the front of card 5
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