lec17 carbohydrates
TRANSCRIPT
CARBOHYDRATES
Bio3 Kawashima
also known as sugars or saccharides
have multiple hydroxyl (–OH) groups and one
carbonyl (>C=O) group
Classifying Monosaccharides
Carbonyl location
Aldoses (aldehyde)
Ketoses(ketone)
Length of carbon skeleton
Trioses (3)
Tetroses (4)
Pentoses (5)
Hexoses (6)
Enantiomer
Levorotatory (L)
Dextrorotatory (D)
Anomer –OH
Alpha (α)
Beta (β)
Common monosaccharides found in vertebrates
disaccharides are two monosaccharides joined by a
glycosidic bond –
a covalent bond formed between two monosaccharides by a
dehydration reaction
polysaccharides are polymers of a few hundred to thousands
monosaccharide connected by a glycosidic bonds –
a covalent bond formed between two monosaccharides by a
dehydration reaction
Classifying Polysaccharides
Polymer structure
Branched
Unbranched
Polymer subunits
Homopolymer
Heteropolymer
Amylose
Amylopectin