Exam 20: Carbohydrates

The configuration of the chirality center ________ (closest to/farthest from)the carbonyl group determines whether a monosaccharide is D or L.

When converting a Fischer projection to a Haworth projection,where are all of the substituents on the right side of the carbon skeleton drawn in the Haworth projection?

α-D-galactose and β-D-galactose are enantiomers.

Which carbohydrates cannot be converted to simpler compounds by hydrolysis?

Modern glucose meters are electronic devices that measure the amount of oxidizing agent that reacts with the glucose in a known amount of blood.

Which is the only polysaccharide to have β-glycosidic bonds?

In the disaccharide structure shown,the anomeric carbons are properly labeled.

The formation of what color in the Benedict's test indicates a reducing sugar is present in solution?

The monosaccharide shown below is an α anomer.

How many acetals are present in the disaccharide shown below?

Salicin is a naturally occurring,carbohydrate-containing pain reliever. Which statement concerning the functional groups present in salicin is incorrect?

What are monosaccharides with a carbonyl group at C1 called?

The two compounds N-acetyl-D-glucosamine and N-acetyl-D-galactosamine are a set of constitutional isomers.

Which carbohydrate derivative forms a gel-like matrix in joints and the vitreous humor of the eye?

The naturally occurring enantiomer of a monosaccharide is distinguished by the prefix L-.

Which of the following is not a term that would properly describe glucose as it is shown below?

In addition to the three monosaccharides that occur in all blood types,type A blood contains the monosaccharide N-acetyl-D-galactosamine,and type B blood contains an additional D-galactose unit.

Monosaccharides are polar compounds with low melting points.

Maltose is a reducing sugar.

The carbonyl group of an aldose is reduced to a secondary alcohol using hydrogen (H₂)in the presence of palladium (Pd)metal.