Carbohydrate Structure and Function

Question 1

True/False: Nearly all carbohydrates in nature are in the D-configuration.

Answer 1

True

Question 2

True/False: Amino acids are L- configuration

Answer 2

True

Question 3

Enantiomers

Answer 3

Stereoisomers that are non-superimposable mirror images

of each other. D and L forms of the same sugar.

Question 4

Diastereomers

Answer 4

Any stereoisomer that is not an enantiomer

Question 5

Epimers:

Answer 5

Subtype of diastereomers that differ at exactly

one chiral carbon.

Question 6

Anomers

Answer 6

A subtype of epimers that differ at the anomeric

carbon.

Question 7

Starches

Amylose:

Answer 7

umbranched

Question 8

Starches amylopectin

Answer 8

Branched

Question 9

Maltose

Answer 9

Glucose + glucose with alpha glycosidic bond

Question 10

Lactose

Answer 10

Galactose + glucose with beta glycosidic bond

Question 11

Sucrose

Answer 11

Glucose + fructose with alpha glycosidic bond