Carbohydrates

All monosaccharides and disaccharides are sweet, that is why they are called sugars.

• True

• False

All monosaccharides have a D- and L- configuration.

• False

• True

Given the same number of carbons, the number of chiral centers in aldoses is one more than those of ketoses.

• True

• False

Both D-glyceraldehyde and dihydroxyacetone are chiral molecules.

• False

• True

D-glucose and L-glucose are epimers since they differ only in the arrangement of atoms at one chiral center.

• True

• False

D-Galactose is a component of protein-carbohydrate compounds found in the brain and nerve tissues.

• False

• True

Fruits sugars are also known as levulose.

• True

• False

The blood sugar concentration of a hyperglycemic person is less than 100 mg/dL.

• False

• True

Sucrose is the sweetest sugar.

• True

• False

The Haworth projection of ribose forms a furanose ring.

• False

• True