Biochemistry Flashcards
Carbohydrates
CnH2nOn
Monosaccharides ex. Pentoses, hexoses
Glucose Enantiomer
D-glucose and L glucose, these are mirror images they are not superimposable
D glucose
Dextrose
Hexose isomers
Same chemical composition with different atomic arrangement within the molecule. Example dextrose and fructose.
Hexose epimers
Two molecules with the same structure that differ at one Chiral center
Cyclization of glucose, the formation of anomeric ring structures
Creates a pyran ring, the oxygen on the fifth carbon attacks the first carbon in the chain creating an ester linkage
Glycosidic linkages, The formation of a alpha(1,4) bond
The alcohol group attached to the first carbon binds to the 4th carbon on the she second dextrose, dehydration reaction
The formation f a(1,4) Glycosidic linkages requires?
An enzyme and an activated alpha-D-glucopyranose
a-D-glucopyranose
Pyran ring with the alcohol group in the downward position at the first carbon
Glycosidic linkages create….
Chains of sugars. Disaccharides, polysaccharides…
Glycosidic linkages: Formation of a(1, 6) bonds
This link is formed when the alcohol group attached to the carbon at position 1 of a glucose molecule binds to a carbon at position 6 of a second glucose molecule.