polysaccharides Flashcards
what are polysaccharides?
macromolecules formed by many monosaccharides joined together through glycosidic bonds
what are macromolecules?
large molecules
what is starch, glycogen and cellulose?
polysaccharides
what is starch made up of?
amylose and amylopectin
where is starch found?
in plants
what glucose makes up starch?
alpha glucose
describe the shape of amylose
unbranched helix shape
describe the shape of amylopectin
branched chain
where is glycogen found?
in animals and fungi
what glucose makes up glycogen?
alpha glucose
describe the shape of glycogen
a very branched chain
where is cellulose found?
in plants cell wall
what glucose makes up cellulose?
beta glucose
describe the shape of cellulose
an unbranched chain of beta glucose
why is cellulose strong?
many hydrogen bonds form between chains