Question 1

Which of the following best describes the general formula for a monosaccharide?

Accepted Answer

$$C_n(H_2O)_n$$

Question 2

A carbohydrate with six carbon atoms and an aldehyde functional group is classified as a(n):

Accepted Answer

aldohexose

Question 3

Which of the following statements about dietary fiber is TRUE?

Accepted Answer

Soluble fiber mixes with water, forming a gel that slows sugar and cholesterol absorption.

Question 4

Which type of alcohols are found in monosaccharides?

Accepted Answer

Both primary and secondary

Question 5

How many chiral centers does a glucose molecule contain?

Accepted Answer

4

Question 6

What is the maximum number of stereoisomers possible for a monosaccharide with $$n$$ chiral centers?

Accepted Answer

$$2^n$$

Question 7

Which of the following is a non-reducing sugar?

Accepted Answer

Sucrose

Question 8

Which statement about the Benedict's test is correct?

Accepted Answer

An aldehyde is oxidized and a brick-red precipitate forms.

Question 9

Which of the following polysaccharides is the main storage form of glucose in animals?

Accepted Answer

Glycogen

Question 10

Which glycosidic bond is found in maltose?

Accepted Answer

$$\alpha(1 \rightarrow 4)$$

Question 11

Which of the following statements about cellulose is TRUE?

Accepted Answer

It is a straight-chain polysaccharide made of $$\beta(1 \rightarrow 4)-$$bonded glucose units.

Question 12

Which blood type is considered the universal donor?

Accepted Answer

Type O

Question 13

What is the main reason xylitol is used in oral care products?

Accepted Answer

Oral bacteria cannot metabolize it, reducing tooth decay.

Question 14

Which of the following is TRUE about the ring formation of glucose?

Accepted Answer

The carbonyl group on carbon 1 reacts with the hydroxyl group on carbon 5 to form a hemiacetal.

Question 15

Which statement about anomers is correct?

Accepted Answer

Anomers are diastereomers that differ at the anomeric carbon.

Question 16

Which of the following is a function of oligosaccharides in the human body?

Accepted Answer

Cell surface markers for blood typing

Question 17

Which of the following reactions is used to break down polysaccharides into monosaccharides?

Accepted Answer

Hydrolysis

Question 18

Which of the following is TRUE about the difference between ribose and deoxyribose?

Accepted Answer

Deoxyribose lacks an oxygen atom on carbon 2 compared to ribose.

Question 19

Which of the following statements about diabetes is correct?

Accepted Answer

Type II diabetes can often be controlled with diet, exercise, and medication.

Question 20

Which of the following is TRUE about the glycosidic bonds in amylopectin?

Accepted Answer

Amylopectin contains $$\alpha(1 \rightarrow 4)$$ bonds and branches formed by $$\alpha(1 \rightarrow 6)$$ bonds.

Carbohydrates: Structure, Function, and Classification (GOB Chemistry Study Notes)

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