$$\text{Monomer}_1 + \text{Monomer}_2 \rightarrow \text{Polymer} + \text{H}_2\text{O}$$

$$\text{Amino acid}_1 + \text{Amino acid}_2 \rightarrow \text{Dipeptide} + \text{H}_2\text{O}$$

Question 1

Which of the following best describes a monomer?

Accepted Answer

A small molecule that can join with others to form a polymer

Question 2

Which of the following is NOT considered a biological macromolecule?

Accepted Answer

Salt

Question 3

What is the main result of a dehydration synthesis reaction?

Accepted Answer

Combining monomers to form a polymer with the loss of a water molecule

Question 4

Which equation correctly represents dehydration synthesis?

Accepted Answer

$$	ext{Monomer}_1 + 	ext{Monomer}_2 ightarrow 	ext{Polymer} + 	ext{H}_2	ext{O}$$

Question 5

Which process is responsible for breaking down polymers into monomers by adding water?

Accepted Answer

Hydrolysis

Question 6

Which of the following statements about macromolecules is TRUE?

Accepted Answer

Macromolecules are made by joining smaller molecules called monomers

Question 7

What is the role of water in hydrolysis reactions?

Accepted Answer

Water is added to break a bond between monomers

Question 8

Which of the following is an example of a polymer?

Accepted Answer

DNA

Question 9

A scientist observes that a certain reaction forms a large molecule and releases water. What type of reaction is this?

Accepted Answer

Dehydration synthesis

Question 10

Which of the following best explains why dehydration synthesis is important in living organisms?

Accepted Answer

It enables the formation of complex molecules necessary for life

Question 11

If a cell needs to store energy for later use, which process is most likely to occur?

Accepted Answer

Dehydration synthesis of starch

Question 12

Which of the following correctly matches the macromolecule with its monomer?

Accepted Answer

Carbohydrate - Monosaccharide

Question 13

A student mixes two amino acids and observes the formation of a peptide bond and the release of water. Which equation best represents this reaction?

Accepted Answer

$$	ext{Amino acid}_1 + 	ext{Amino acid}_2 ightarrow 	ext{Dipeptide} + 	ext{H}_2	ext{O}$$

Question 14

Which process would be used to digest a protein into its individual amino acids?

Accepted Answer

Hydrolysis

Question 15

Which of the following statements about hydrolysis is correct?

Accepted Answer

Hydrolysis breaks polymers into monomers by adding water

Question 16

Which of the following is a direct result of dehydration synthesis in cells?

Accepted Answer

Formation of proteins from amino acids

The Structure and Function of Large Biological Molecules

Study Guide - Practice Questions