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Regents Biology
Carbohydrates
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Regents Biology 2006-2007
Carbohydrates:
OH
OH
H
H
HO
CH2OH
HH
H
OH
O
Energy molecules
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Regents Biology
Carbohydrates
Building block molecules =
sugar sugar sugar sugar sugar sugar sugarsugar
sugar - sugar - sugar - sugar - sugar
glucose
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Regents Biology
Carbohydrates Function:
quick energy energy storage structure
cell wall in plants
Examples sugars starches cellulose (cell wall)
glucoseC6H12O6
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Regents Biology
Sugars = building blocks Names for sugars usually end in
glucose fructose sucrose Maltose
sucrose
fructose
-ose
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Regents Biology
BIG carbohydrates Polysaccharides Remember.. Poly- means Many
starch energy storage in plants
potatoes
glycogen energy storage in animals
in liver & muscles
cellulose structure in plants
cell walls
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Regents Biology
Digesting starch vs. cellulose
starcheasy todigest
starcheasy todigest
cellulosehard todigest
cellulosehard todigest
enzyme
enzyme
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Regents Biology
Cowcan digest cellulose well; no need to eat other sugars
Gorillacan’t digest cellulose well; must add another sugar source, like fruit to diet