Draw/Name Carbs Flashcards
D-glucose has what order of OH/H on the left hand side of its open chain?
H
OH
H
H
Draw D-glucose
H OH H H (left side)
Draw alpha-D-glucopyranose
alpha anomeric carbon has OH on bottom
Draw beta-D-glucopyranose
beta OH on top of anomeric carbon
D-mannose has what order of OH/H on the left side of its open chain?
OH
OH
H
H
Draw alpha-D-mannopyranose
uwu
D-galactose has what order of OH/H on its left side of its open chain?
H
OH
OH
H
Draw beta-D-galactopyranose
owo
What is the structure of D-fructose?
C-2 has = O Left side of open chain order: OH H H
Draw alpha-D-fructofuranose
Furanose = 5 member chain!
Has two CH2OH branches, one on each side of -O-
What is the structure of D-ribose?
5C left side order of open chain: H H H
Draw beta-D-ribofuranose
u got this :)
Is maltose reducing or non-reducing sugar?
Reducing
What is the structural name of maltose?
alpha-D-glucopyranosyl-(1->4)-alpha-D-glucopyranose
Draw maltose
1-4 glycosidic bond :)
Is sucrose reducing or non-reducing sugar?
Non-reducing
What is the structural name of sucrose?
alpha-D-glucopyranosyl-(1->2)-beta-D-fructofuranose
Draw sucrose
alpha D glucopyranose + beta D fructofuranose
Is lactose a reducing or non-reducing sugar?
Reducing
What is the structural name of lactose?
beta-D-galactopyranosyl-(1->4)-alpha-D-glucopyranose
Draw lactose
beta D galactopyranose + alpha D glucopyranose
What is glycogen?
energy storage of polysaccharides in animals, large and branched homopolysaccharide linked by alpha-1-4-glycosidic bonds, branches as alpha-1,6-glycosidic bonds in every 12 units
What is amylopectin?
water insoluble polysaccharide and highly branched polymer of alpha-glucose units found in plants
What is amylose?
Polysaccharide made of alpha-D-glucose units, bound to each other through alpha-1,4-glycosidic bonds
