,Biochemistry: Concepts and Connections (Appling et al.)
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Chapter 1 Biochemistry and the Language of Chemistry
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1) The water content in the human body is approximately:
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A) 90%.
B) 80%.
C) 70%.
D) 60%.
E) 50%.
Answer: C v
2) The four most abundant chemical elements in living systems are:
v v v v v v v v v
A) hydrogen, oxygen, sulfur and phosphorus.v v v v
B) hydrogen, carbon, nitrogen and oxygen. v v v v
C) sodium, potassium, carbon and oxygen.
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D) sodium, potassium, nitrogen and sulfur.
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E) carbon, nitrogen, oxygen and potassium.
v v v v
Answer: B
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Objective: 1.2 v
3) Nearly all proteins contain:
v v v
A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) none of the above.
v v v
Answer: D
v v
Objective: 1.2
v v
Global LO: G7
v v v
4) Which of the following statements is FALSE?
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A) Proteins can be structural components of cells.
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B) Proteins can transmit signals between cells.
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C) Proteins can transport molecules within cells and between cells.
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D) Proteins can be both hormones and hormone receptors.
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E) Proteins are the only biological polymer that can catalyze biochemical reactions.
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Answer: E
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Objective: 1.2 v
Global LO:
v v
vG7
1
Copyright © 2016 Pearson Education, Inc.
v v v v v
,5) Which of the following is NOT classed as a lipid?
v v v v v v v v v
A) Cholesterol
B) Palmitic acid v
C) Glycerol
D) Phosphatidyl serine v
E) Triacylglycerol
Answer: C
v v
Objective: 1.2
v v
Global LO: G7
v v v
6) Amino acids and simple organic compounds like carbon dioxide and hydrogen cyanide cannot
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be produced without the use of enzymes.
v v v v v v v
Answer: FALSE v
Objective: 1.2
v v
Global LO: G7
v v v
7) Oxidation-reduction reactions, which are the basis of many biochemical reactions and
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pathways, cannot take place in the absence of oxygen.
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Answer: FALSE v
Objective: 1.2
v v
Global LO: G7
v v v
8) Many biochemical reactions that form biopolymers from monomeric units involve the
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removal of water.
v v v
Answer: TRUE v
Objective: 1.2
v v
Global LO: G7
v v v
9) The principle component of a biological membrane is a triglyceride.
v v v v v v v v v
Answer: FALSE
v v
Objective: 1.2 v
Global LO:
v v
vG7
10) The chemical element
v v v has a role in both transfer of energy as well as in the
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structure of nucleic acids.
v v v v
Answer: phosphorus v
Objective: 1.2
v v
Global LO: G7
v v v
11) List the four major classes of biological macromolecules.
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Answer: lipids, carbohydrates, proteins, nucleic acids
v v v v v v
Objective: 1.2
v v
Global LO: G7
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2
Copyright © 2016 Pearson Education, Inc.
v v v v v
, 12) An amphipathic molecule provides the foundation for biological membranes because they
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have both
v v and v functional groups. v v
Answer: hydrophobic, hydrophilic
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Objective: 1.2
v v
Global LO: G7 v v
13) Genomics is concerned with the entire
v v v v v v , while
v v is focused on identifying
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all of the proteins of a cell.
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Answer: genome, proteomics
v v
Objective: 1.5
v v
Global LO: G1 v v
3
Copyright © 2016 Pearson Education, Inc.
v v v v v
v v v v v v
Chapter 1 Biochemistry and the Language of Chemistry
v v v v v v v v v
1) The water content in the human body is approximately:
v v v v v v v v
A) 90%.
B) 80%.
C) 70%.
D) 60%.
E) 50%.
Answer: C v
2) The four most abundant chemical elements in living systems are:
v v v v v v v v v
A) hydrogen, oxygen, sulfur and phosphorus.v v v v
B) hydrogen, carbon, nitrogen and oxygen. v v v v
C) sodium, potassium, carbon and oxygen.
v v v v
D) sodium, potassium, nitrogen and sulfur.
v v v v
E) carbon, nitrogen, oxygen and potassium.
v v v v
Answer: B
v v
Objective: 1.2 v
3) Nearly all proteins contain:
v v v
A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) none of the above.
v v v
Answer: D
v v
Objective: 1.2
v v
Global LO: G7
v v v
4) Which of the following statements is FALSE?
v v v v v v
A) Proteins can be structural components of cells.
v v v v v v
B) Proteins can transmit signals between cells.
v v v v v
C) Proteins can transport molecules within cells and between cells.
v v v v v v v v
D) Proteins can be both hormones and hormone receptors.
v v v v v v v
E) Proteins are the only biological polymer that can catalyze biochemical reactions.
v v v v v v v v v v
Answer: E
v v
Objective: 1.2 v
Global LO:
v v
vG7
1
Copyright © 2016 Pearson Education, Inc.
v v v v v
,5) Which of the following is NOT classed as a lipid?
v v v v v v v v v
A) Cholesterol
B) Palmitic acid v
C) Glycerol
D) Phosphatidyl serine v
E) Triacylglycerol
Answer: C
v v
Objective: 1.2
v v
Global LO: G7
v v v
6) Amino acids and simple organic compounds like carbon dioxide and hydrogen cyanide cannot
v v v v v v v v v v v v
be produced without the use of enzymes.
v v v v v v v
Answer: FALSE v
Objective: 1.2
v v
Global LO: G7
v v v
7) Oxidation-reduction reactions, which are the basis of many biochemical reactions and
v v v v v v v v v v
pathways, cannot take place in the absence of oxygen.
v v v v v v v v v
Answer: FALSE v
Objective: 1.2
v v
Global LO: G7
v v v
8) Many biochemical reactions that form biopolymers from monomeric units involve the
v v v v v v v v v v
removal of water.
v v v
Answer: TRUE v
Objective: 1.2
v v
Global LO: G7
v v v
9) The principle component of a biological membrane is a triglyceride.
v v v v v v v v v
Answer: FALSE
v v
Objective: 1.2 v
Global LO:
v v
vG7
10) The chemical element
v v v has a role in both transfer of energy as well as in the
v v v v v v v v v v v v
structure of nucleic acids.
v v v v
Answer: phosphorus v
Objective: 1.2
v v
Global LO: G7
v v v
11) List the four major classes of biological macromolecules.
v v v v v v v
Answer: lipids, carbohydrates, proteins, nucleic acids
v v v v v v
Objective: 1.2
v v
Global LO: G7
v v
2
Copyright © 2016 Pearson Education, Inc.
v v v v v
, 12) An amphipathic molecule provides the foundation for biological membranes because they
v v v v v v v v v v
have both
v v and v functional groups. v v
Answer: hydrophobic, hydrophilic
v v
Objective: 1.2
v v
Global LO: G7 v v
13) Genomics is concerned with the entire
v v v v v v , while
v v is focused on identifying
v v v
all of the proteins of a cell.
v v v v v v v
Answer: genome, proteomics
v v
Objective: 1.5
v v
Global LO: G1 v v
3
Copyright © 2016 Pearson Education, Inc.
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