1430 Biochem Midterm 2 || A+ Guaranteed.

Carbohydrate correct answers Polyhydroxy aldehyde, ketone, or a compound that produces such substances upon hydrolysis Chiral Centre correct answers -C atom attached to 4 different groups (tetrahedral geometry) -A molecule with a chiral centre is said to be "chiral Enantiomers correct answers -Stereoisomers that are not superimposable mirror images of each other -The configurations at all chiral centres are exactly opposite -All chemical and physical properties are the same -Differ in direction of optical ration of plane polarized light -Differ in interaction with other chiral molecules (not achrial) Diastereomers correct answers -Stereoisomers that are not enantiomers of one another (non-superimposable non-mirror images) -Different physical properties (are different chemical substances) Epimers correct answers Diastereomers that differ in configuration at only one centre of chirality Fisher Projections correct answers -show 3d geometry about each carbon Vertical lines - into page Horizontal lines - out of page Monosaccharides correct answers -Carbohydrate monomers -Water soluble, white, crystalline solids -Most in nature are D isomers Classification of Monosaccharides correct answers -Functional Groups (Aldose, Ketose) -# of carbons (Pentose, hexose) Examples of monosaccharides correct answers -D-Glucose (blood sugar) -D-Galactose (brain sugar, milk sugar) -D-Fructose (sweet, in fruits) -D-Ribose (RNA) cyclic forms of monosaccharides correct answers -Intramolecular reaction between carbonyl group with hydroxyl group to form ring -Anomeric carbon -alpha form -beta form -L form -D form Anomeric carbon correct answers hemiacetal carbon, bound to ring O and OH