Test Bank for
Biochemistry 9th Edition by Lubert Stryer, Jeremy Berg, John Tymoczko, Gregory Gatto
Chapter 1-36
Chapter 1 Biochemistry: An Evolving Science
Multiple-Choice Questions
1) DNA is made from the building blocks adenine, guanine, cytosine and _____.
A) uridine
B) thymine
C) inosine
D) ribose
E) None of the answers is correct.
Answer: B
Section: 1.2
2) The DNA backbone is made from repeating _____.
A) monosaccharide units
B) amino acid units
C) sugar-phosphate units
D) fatty acid
E) None of the answers is correct.
Answer: C
Section: 1.2
3) The number of hydrogen bonds formed between A and T is _____.
A) 1
B) 2
C) 3
D) 4
E) 2 if in DNA, 3 if in RNA
,Answer: B
Section: 1.2
4) The number of hydrogen bonds formed between G and C is _____.
A) 1
B) 2
C) 3
D) 4
E) 2 if in RNA, 3 if in DNA
Answer: C
Section: 1.2
5) The fundamental groups of organisms include Eukarya, Bacteria, and _____.
A) Plantae
B) Animalia
C) Protista
D) Archaea
E) Fungi
Answer: D
Section: 1.1
6) Which of the following are the strongest bonds in molecules?
A) covalent bonds
B) ionic bonds
C) hydrogen bonds
D) metallic bonds
E) None of the answers is correct.
Answer: A
Section: 1.1
,7) Which of the following describes the relationship between the strengths of hydrogen and
covalent bonds?
A) Hydrogen bonds are always stronger than covalent bonds.
B) Hydrogen bonds and covalent bonds have equivalent strength.
C) Hydrogen bonds are always weaker than covalent bonds.
D) With a few exceptions, most hydrogen bonds are stronger than covalent bonds.
E) With a few exceptions, most covalent bonds are stronger than hydrogen bonds.
Answer: C
Section: 1.3
8) The matter within a defined region of space is referred to as the _____.
A) universe
B) system
C) outer space
D) wormhole
E) None of the answers is correct.
Answer: B
Section: 1.3
9) For a spontaneous reaction, the G must be _____.
A) positive
B) negative
C) greater than 1
D) between 1 and 0
E) 0
Answer: B
Section: 1.3
10) The term _____ is used to indicate Gibbs free energy.
A) H
, B) E
C) S
D) G
E) T
Answer: D
Section: 1.3
11) Which of the following is considered a metabolite, a substance that is chemically
transformed in a biochemical process?
A) deoxyribonucleic acid
B) glycerol
C) protein
D) ribonucleic acid
E) polysaccharide
Ans: B
Section: 1.1
12) The structure of DNA described by Watson and Crick included
A) a double helix.
B) the sugar phosphate backbone aligned in the center of the helix.
C) the base pairs that are stacked on the inside of the double helix.
D) both a double helix and the sugar phosphate backbone aligned in the center of the helix
E) a double helix and the base pairs that are stacked on the inside of the double helix
Ans: E
Section: 1.2
13) What did Watson and Crick suggest to be significant about the base pairing found in the
helix?
A) It allowed the DNA to twist in a helix.
B) The DNA could be circular.
C) It was a mechanism for copying.
Biochemistry 9th Edition by Lubert Stryer, Jeremy Berg, John Tymoczko, Gregory Gatto
Chapter 1-36
Chapter 1 Biochemistry: An Evolving Science
Multiple-Choice Questions
1) DNA is made from the building blocks adenine, guanine, cytosine and _____.
A) uridine
B) thymine
C) inosine
D) ribose
E) None of the answers is correct.
Answer: B
Section: 1.2
2) The DNA backbone is made from repeating _____.
A) monosaccharide units
B) amino acid units
C) sugar-phosphate units
D) fatty acid
E) None of the answers is correct.
Answer: C
Section: 1.2
3) The number of hydrogen bonds formed between A and T is _____.
A) 1
B) 2
C) 3
D) 4
E) 2 if in DNA, 3 if in RNA
,Answer: B
Section: 1.2
4) The number of hydrogen bonds formed between G and C is _____.
A) 1
B) 2
C) 3
D) 4
E) 2 if in RNA, 3 if in DNA
Answer: C
Section: 1.2
5) The fundamental groups of organisms include Eukarya, Bacteria, and _____.
A) Plantae
B) Animalia
C) Protista
D) Archaea
E) Fungi
Answer: D
Section: 1.1
6) Which of the following are the strongest bonds in molecules?
A) covalent bonds
B) ionic bonds
C) hydrogen bonds
D) metallic bonds
E) None of the answers is correct.
Answer: A
Section: 1.1
,7) Which of the following describes the relationship between the strengths of hydrogen and
covalent bonds?
A) Hydrogen bonds are always stronger than covalent bonds.
B) Hydrogen bonds and covalent bonds have equivalent strength.
C) Hydrogen bonds are always weaker than covalent bonds.
D) With a few exceptions, most hydrogen bonds are stronger than covalent bonds.
E) With a few exceptions, most covalent bonds are stronger than hydrogen bonds.
Answer: C
Section: 1.3
8) The matter within a defined region of space is referred to as the _____.
A) universe
B) system
C) outer space
D) wormhole
E) None of the answers is correct.
Answer: B
Section: 1.3
9) For a spontaneous reaction, the G must be _____.
A) positive
B) negative
C) greater than 1
D) between 1 and 0
E) 0
Answer: B
Section: 1.3
10) The term _____ is used to indicate Gibbs free energy.
A) H
, B) E
C) S
D) G
E) T
Answer: D
Section: 1.3
11) Which of the following is considered a metabolite, a substance that is chemically
transformed in a biochemical process?
A) deoxyribonucleic acid
B) glycerol
C) protein
D) ribonucleic acid
E) polysaccharide
Ans: B
Section: 1.1
12) The structure of DNA described by Watson and Crick included
A) a double helix.
B) the sugar phosphate backbone aligned in the center of the helix.
C) the base pairs that are stacked on the inside of the double helix.
D) both a double helix and the sugar phosphate backbone aligned in the center of the helix
E) a double helix and the base pairs that are stacked on the inside of the double helix
Ans: E
Section: 1.2
13) What did Watson and Crick suggest to be significant about the base pairing found in the
helix?
A) It allowed the DNA to twist in a helix.
B) The DNA could be circular.
C) It was a mechanism for copying.
