Biochemistry: Concepts and
Connections, 2nd Edition by Dean
Appling – TEST BANK
ALL CHAPTERS 1-26| VERIFIED
Q&As FOR EXAM PREPARATIONS
Page | 1
, Chapter 1: Biochemistry and the Language of Chemistry
1) The water content in the human body is approximately :
A) 90%.
B) 80%.
C) 70%.
D) 60%.
E) 50%.
Accurate Answer> C
2) The four most abundant chemical elements in living systems are :
A) hydrogen, oxygen, sulfur and phosphorus.
B) hydrogen, carbon, nitrogen and oxygen.
C) sodium, potassium, carbon and oxygen.
D) sodium, potassium, nitrogen and sulfur.
E) carbon, nitrogen, oxygen and potassium. Accurate Answer> B
Objective: 1.2
3) Nearly all proteins contain :
A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) none of the above. Accurate Answer> D Objective: 1.2 Global LO: G7
4) Which of the following statements is FALSE?
A) Proteins can be structural components of cells.
B) Proteins can transmit signals between cells.
C) Proteins can transport molecules within cells and between cells.
D) Proteins can be both hormones and hormone receptors.
Page | 2
,E) Proteins are the only biological polymer that can catalyze biochemical reactions. Accurate Answer> E
Objective: 1.2 Global LO: G7
5) Which of the following is NOT classed as a lipid?
A) Cholesterol
B) Palmitic acid
C) Glycerol
D) Phosphatidyl serine
E) Triacylglycerol Accurate Answer> C Objective: 1.2 Global LO: G7
6) Amino acids and simple organic compounds like carbon dioxide and hydrogen cyanide cannot be produced
without the use of enzymes.
Accurate Answer> FALSE Objective: 1.2 Global LO: G7
7) Oxidation-reduction reactions, which are the basis of many biochemical reactions and pathways, cannot take
place in the absence of oxygen.
Accurate Answer> FALSE Objective: 1.2 Global LO: G7
8) Many biochemical reactions that form biopolymers from monomeric units involve the removal of water.
Accurate Answer> TRUE Objective: 1.2 Global LO: G7
9) The principle component of a biological membrane is a triglyceride. Accurate Answer> FALSE
Objective: 1.2 Global LO: G7
10) The chemical element has a role in both transfer of energy as well as in the structure of nucleic
acids.
Accurate Answer> phosphorus Objective: 1.2 Global LO: G7
11) List the four major classes of biological macromolecules. Accurate Answer> lipids, carbohydrates,
proteins, nucleic acids Objective: 1.2
Global LO: G7
Page | 3
, 12) An amphipathic molecule provides the foundation for biological membranes because they have both
and functional groups.
Accurate Answer> hydrophobic, hydrophilic Objective: 1.2
Global LO: G7
13) Genomics is concerned with the entire , while is focused on identifying all of the proteins of a
cell.
Accurate Answer> genome, proteomics Objective: 1.5
Global LO: G1
Chapter 2: The Chemical Foundation of Life: Weak Interactions in an Aqueous
Environment
1) Each of the following is a non-covalent interaction EXCEPT :
A) a hydrogen bond.
B) a carbon-hydrogen bond.
C) the interaction between an amino and a carboxylate group.
D) a van der Waals interaction.
E) an interaction between —NH3+ and a water molecule. Accurate Answer> B
Objective: 2.1 Global LO: G7
2) The most important non-covalent interaction in biochemistry is the bond. Accurate Answer>
hydrogen
Objective: 2.1 Global LO: G7
3) Which of the following is FALSE when considering van der Waals interactions?
A) The van der Waals radius represents the most stable distance between two interacting centers.
B) Van der Waals radii can determine molecular surfaces.
C) Molecules that interact by van der Waals forces do not interpenetrate.
D) The total interaction energy is the sum of the attractive and repulsive forces.
E) They are not important in determining the stability of three-dimensional structures of proteins.
Accurate Answer> E
Page | 4
Connections, 2nd Edition by Dean
Appling – TEST BANK
ALL CHAPTERS 1-26| VERIFIED
Q&As FOR EXAM PREPARATIONS
Page | 1
, Chapter 1: Biochemistry and the Language of Chemistry
1) The water content in the human body is approximately :
A) 90%.
B) 80%.
C) 70%.
D) 60%.
E) 50%.
Accurate Answer> C
2) The four most abundant chemical elements in living systems are :
A) hydrogen, oxygen, sulfur and phosphorus.
B) hydrogen, carbon, nitrogen and oxygen.
C) sodium, potassium, carbon and oxygen.
D) sodium, potassium, nitrogen and sulfur.
E) carbon, nitrogen, oxygen and potassium. Accurate Answer> B
Objective: 1.2
3) Nearly all proteins contain :
A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) none of the above. Accurate Answer> D Objective: 1.2 Global LO: G7
4) Which of the following statements is FALSE?
A) Proteins can be structural components of cells.
B) Proteins can transmit signals between cells.
C) Proteins can transport molecules within cells and between cells.
D) Proteins can be both hormones and hormone receptors.
Page | 2
,E) Proteins are the only biological polymer that can catalyze biochemical reactions. Accurate Answer> E
Objective: 1.2 Global LO: G7
5) Which of the following is NOT classed as a lipid?
A) Cholesterol
B) Palmitic acid
C) Glycerol
D) Phosphatidyl serine
E) Triacylglycerol Accurate Answer> C Objective: 1.2 Global LO: G7
6) Amino acids and simple organic compounds like carbon dioxide and hydrogen cyanide cannot be produced
without the use of enzymes.
Accurate Answer> FALSE Objective: 1.2 Global LO: G7
7) Oxidation-reduction reactions, which are the basis of many biochemical reactions and pathways, cannot take
place in the absence of oxygen.
Accurate Answer> FALSE Objective: 1.2 Global LO: G7
8) Many biochemical reactions that form biopolymers from monomeric units involve the removal of water.
Accurate Answer> TRUE Objective: 1.2 Global LO: G7
9) The principle component of a biological membrane is a triglyceride. Accurate Answer> FALSE
Objective: 1.2 Global LO: G7
10) The chemical element has a role in both transfer of energy as well as in the structure of nucleic
acids.
Accurate Answer> phosphorus Objective: 1.2 Global LO: G7
11) List the four major classes of biological macromolecules. Accurate Answer> lipids, carbohydrates,
proteins, nucleic acids Objective: 1.2
Global LO: G7
Page | 3
, 12) An amphipathic molecule provides the foundation for biological membranes because they have both
and functional groups.
Accurate Answer> hydrophobic, hydrophilic Objective: 1.2
Global LO: G7
13) Genomics is concerned with the entire , while is focused on identifying all of the proteins of a
cell.
Accurate Answer> genome, proteomics Objective: 1.5
Global LO: G1
Chapter 2: The Chemical Foundation of Life: Weak Interactions in an Aqueous
Environment
1) Each of the following is a non-covalent interaction EXCEPT :
A) a hydrogen bond.
B) a carbon-hydrogen bond.
C) the interaction between an amino and a carboxylate group.
D) a van der Waals interaction.
E) an interaction between —NH3+ and a water molecule. Accurate Answer> B
Objective: 2.1 Global LO: G7
2) The most important non-covalent interaction in biochemistry is the bond. Accurate Answer>
hydrogen
Objective: 2.1 Global LO: G7
3) Which of the following is FALSE when considering van der Waals interactions?
A) The van der Waals radius represents the most stable distance between two interacting centers.
B) Van der Waals radii can determine molecular surfaces.
C) Molecules that interact by van der Waals forces do not interpenetrate.
D) The total interaction energy is the sum of the attractive and repulsive forces.
E) They are not important in determining the stability of three-dimensional structures of proteins.
Accurate Answer> E
Page | 4
