Ch. 5 Quiz

Question 1

In animal metabolism, most of the monomers released by digestion of food macromolecules are metabolized to provide energy. Only a small portion of these monomers are used for synthesis of new macromolecules. The net result is that…

Answer 1

Water is consumed by animal metabolism

Question 2

What is the major structural difference between starch and glycogen?

Answer 2

The amount of branching that occurs in the molecule

Question 3

Phospholipids and triglycerides both

Answer 3

Have a glycerol backbone

Question 4

The label on a container of margarine lists “hydrogenated vegetable oil” as the major ingredient. Hydrogenated vegetable oil is…

Answer 4

Solid at room temperature

Question 5

Which one of the following is NOT a component of each monomer used to make proteins

A) a phosphorus atom, P
B) an amino functional group, NH2
C) a side chain , R
D) a carboxyl group, COOH
E) central carbon

Answer 5

A phosphorus atom, P

Question 6

Which level of protein structure do the a helix and ß pleaded sheet represent?

Answer 6

Secondary

Question 7

Four of the five substances listed below are carbohydrates. Select the exception.

A) glycine
B) cellulose
C) starch
D) sucrose
E) chitin

Answer 7

Glycine

Question 8

Four of the five substances listed below are lipids. Select the exception

A) triglyceride 
B) wax
C) butter
D) cholesterol
E) hemoglobin

Answer 8

Hemoglobin

Question 9

The molecular formula for glucose is C6H12O6. What would be the molecular formula for a molecule made by linking three glucose molecules together by dehydration reactions?

Answer 9

C18H32O16