Carbohydrates Flashcards
1
Q
function of carbohydrates
A
-structural roles
-modification of proteins and lipids
-cell adhesion and signaling
-nucleic acid backbones
-energy storage, transfer and conversion
2
Q
simple carbohydrates
A
aldose and ketose
(CH2O)n
3
Q
D or L
A
L=OH is on left
D=OH is on right
4
Q
how does monosaccharide cyclization occur
A
-no enzymes required
-occurs spontaneously
5
Q
alpha and beta configurations
A
bridges go up
apples fall down
6
Q
epimers
A
vary by one chiral carbon
7
Q
reducing sugar
A
-contains reactive carbonyl (anomeric C)
-reduce metal ions to insoluble products
8
Q
non-reducing sugar
A
anomeric C isn’t free
-sucrose