Chapter 3: Proteins, Carbohydrates, and Lipids

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

Multiple Choice

1. Large biological molecules that contain carbon and are held together by covalent bonds are categorized as
2. proteins.
3. polymers.
4. nucleic acids.
5. macromolecules.
6. monomers.

Answer: d

Textbook Reference: 3.0 Chapter Introduction

Bloom’s Category: 2. Understanding

2. In large polymeric macromolecules, atoms are held together by _______ bonds.
3. hydrogen
4. peptide
5. disulfide
6. covalent
7. ionic

Answer: d

Textbook Reference: 3.0 Chapter Introduction

Bloom’s Category: 1. Remembering

3. All of the following are macromolecules except for
4. RNA.
5. DNA.
6. vitamins D, E, and K.
7. protein.
8. salt.

Answer: e

Textbook Reference: 3.1 What Kinds of Molecules Characterize Living Things?

Bloom’s Category: 2. Understanding

4. Which of the following is not a correct monomer/polymer pairing?
5. Monosaccharide/polysaccharide
6. Amino acid/protein
7. Cellulose/triglyceride
8. Nucleotide/nucleic acid
9. Monosaccharide/oligosaccharide

Answer: c

Textbook Reference: 3.1 What Kinds of Molecules Characterize Living Things?; 3.3 What Are the Chemical Structures and Functions of Carbohydrates?; 3.4 What Are the Chemical Structures and Functions of Lipids?

Bloom’s Category: 3. Applying

5. Amino and carboxyl functional groups tend to form bases and acids by gaining or losing
6. a neutron.
7. a proton.
8. an electron.
9. Both a and b
10. Both b and c

Answer: b

Textbook Reference: 3.1 What Kinds of Molecules Characterize Living Things?

Bloom’s Category: 4. Analyzing