Question 1

Which of the following best describes a monomer?

Accepted Answer

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

Question 2

Which analogy best explains how polymers are formed from monomers?

Accepted Answer

Polymers are like a completed puzzle, and monomers are the puzzle pieces.

Question 3

Which elements are commonly found in carbohydrates?

Accepted Answer

Carbon, hydrogen, and oxygen

Question 4

Which of the following is the monomer of proteins?

Accepted Answer

Amino acids

Question 5

Saturated and unsaturated fats differ structurally. Which statement is correct?

Accepted Answer

Saturated fats have only single bonds between carbon atoms, making them solid at room temperature.

Question 6

Are lipids generally polar or non-polar, and what does this mean for their solubility in water?

Accepted Answer

Lipids are non-polar and do not dissolve in water.

Question 7

Which process joins monomers to form polymers such as triglycerides?

Accepted Answer

Dehydration synthesis

Question 8

Which functional groups are present in every amino acid?

Accepted Answer

A carboxyl group and an amino group

Question 9

Which of the following is NOT a component of a nucleotide?

Accepted Answer

A fatty acid chain

Question 10

Which sugar is found in RNA, and what is its corresponding polymer called?

Accepted Answer

Ribose; RNA

Question 11

Which base is unique to RNA and replaces a base found in DNA?

Accepted Answer

Uracil replaces thymine

Question 12

Which of the following is the correct formula for a dehydration synthesis reaction joining two amino acids?

Accepted Answer

$\mathrm{Amino\ acid}_1 + \mathrm{Amino\ acid}_2 \rightarrow \mathrm{Dipeptide} + H_2O$

Question 13

Which macromolecule is primarily responsible for storing genetic information?

Accepted Answer

Nucleic acids

Question 14

Which of the following is a correct pairing of macromolecule and its monomer?

Accepted Answer

Carbohydrate: monosaccharide

Question 15

Which of the following best explains why unsaturated fats are liquid at room temperature?

Accepted Answer

They have double bonds that create kinks, preventing tight packing.

Question 16

Which of the following is NOT a function of proteins in living organisms?

Accepted Answer

Storing genetic information

Question 17

Which of the following correctly lists the four bases found in DNA?

Accepted Answer

Adenine, guanine, cytosine, thymine

Question 18

Which of the following is the general formula for a carbohydrate?

Accepted Answer

$C_nH_{2n}O_n$

Question 19

Which of the following statements about polymers is correct?

Accepted Answer

Polymers are made by joining monomers through covalent bonds.

Question 20

Which of the following is a real-world example of a polymer and its monomer?

Accepted Answer

Starch (polymer) and glucose (monomer)

Macromolecules: Structure, Function, and Properties

Study Guide - Practice Questions