Monosaccharides Flashcards
name the aldose triose
glyceraldehyde
how many chiral carbons in a triose aldose?
1
how many total stereoisomers for an aldose triose?
2
how many naturally occurring stereoisomers for a triose aldose?
1
(2/2=1)
draw the structure of an aldose triose
(D-Glyceraldehyde)
name the ketose triose
dihydroxyacetone
how many chiral carbons in a triose ketose?
0
how many total stereoisomers for a ketose triose?
1
how many naturally occurring stereoisomers for a triose ketose?
1
Name an aldose tetrose
L- or D-Erythrose
Draw the structure of the ketose triose
(Dihydroxyacetone)
How many chiral carbons in a tetrose aldose?
2
How many total stereoisomers for an aldose tetrose?
4
How many naturally occurring stereoisomers for a tetrose aldose?
2
Draw the structure of an aldose tetrose
(D-Erythrose)
Name an aldose pentose
D-Ribose
How many chiral carbons in a pentose aldose?
3 (5-2=3)
How many total stereoisomers for an aldose pentose?
8 (2^3=8)
How many naturally occurring stereoisomers for a pentose aldose?
4 (8/2=4)
Draw the structure of a pentose aldose
(D-Ribose)
Name a ketose pentose
D-ribulose
Name three aldose hexoses
D-Glucose
D-Mannose
D-Galactose
How many chiral carbons in a hexose aldose?
4
How many stereoisomers for an aldose hexose?
16
How many naturally occurring stereoisomers for a hexose aldose?
8
Draw the structure of a hexose aldose
(Glucose, D-mannose, D-galactose)
Name a ketose hexose
Fructose
