Exam 17: Carbohydrates

Molecules that are mirror images are enantiomers.

​ Identify the formula that gives the maximum number of possible stereoisomers for a molecule containing n number of chiral carbon atoms.

CH₄ could exist as a pair of enantiomers.

Polysaccharides usually give a negative Benedict's test.

There is no biological significance attributed to stereoisomers.

A polysaccharide containing β (1 → 4)linkages is _____ .

Which of the following is a disaccharide?

One of the characteristics of organic molecules is that they all can exist as stereoisomers.

Which of the following carbohydrates yields invert sugar upon hydrolysis?

Sugars which contain an aldehyde group that can be oxidized are called _____ .

The sweetest of the common sugars is _____ .

There are currently several artificial sweeteners on the market.  Which of the following is NOT one of those artificial sweeteners?

Cellulose is a polysaccharide composed of glucose units.

​ Carbohydrates that contain three to ten units can be classified as _____.

One function of carbohydrates is to form structural elements of some cells and tissues.

Which of the following compounds is the enantiomer of the structure shown below?

A monosaccharide used to form nucleic acids is _____ .

This compound is classified as a pyranose.

Where polysaccharides are most often associated with energy storage and plant structure, oligosaccharides are commonly portions of glycoproteins.

Which is a test for the presence of starch?