Carbs&Proteins

Carbs&Proteins - POLYMERIC MACROMOLECULES:...

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Unformatted text preview: POLYMERIC MACROMOLECULES: CARBOHYDRATES, PROTEINS CARBOHYDRATES Sugars, starches, glycogens, celluloses C n (H 2 O) n "carbo-hydrate" Glucose (representative monomer) (C 6 H 12 O 6 ) Different sugars have different numbers of carbons Or different arrangements of -OH and -H Cellulose (representative glucose polymer) Condensation reaction joins two glucoses Cellulose (representative glucose polymer) More condensation, longer chains Starch (branched glucose polymer) PROTEINS Large: MW average 30,000 daltons (AMU) Many different types ! Unique three-dimensional structures ! Different structures give different functions Primary structure Monomer : amino acid ! Alpha-carbon ! Carboxylic acid group ! Amino group ! R group: side chain 20 different side chains make 20 different amino acids, some polar, some non-polar Peptide bonds: connections between monomers Amino acid sequences Each amino acid, distinguished by its side chain (R), has a name: alanine -CH 3 ala glycine -H gly serine -CH 2 OH...
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Carbs&Proteins - POLYMERIC MACROMOLECULES:...

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