2016
TEST BANK FOR
Fundamentals of Biochemistry Life at the Molecular
Level 5th Edition by Donald Voet, Judith G. Voet,
Charlotte W. Pratt Chapter 1-28 (2016)
Chapter 1: Introduction to the Chemistry of Life
Matching
A) phylogenetic
B) negative
C) H2O
D) H°
E) H – TS
F) halobacteria
G) open
H) entropy
I) flux
J) polymers
K) G°
L) thermophiles
M) nitrogen
N positive
1. The most abundant molecule in the human body is .
Ans: C
Level of Difficulty: Easy
Section: 1.1.A
Learning objective: The Origin of Life
2. During chemical evolution, small organic molecules condense to form more complex
molecules called .
Ans: J
Level of Difficulty: Easy
Section: 1.1.B
Learning objective: The Origin of Life
3. Evolutionary relationships can be visualized using a tree.
1
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Ans: A
Level of Difficulty: Easy
Section: 1.2.C
Learning objective: Cellular Architecture
4. The organisms most likely to be found in a brine environment would be .
Ans: F
Level of Difficulty: Easy
Section: 1.2.C
Learning objective: Cellular Architecture
5. The organisms most likely to be found in high temperature environments would be .
Ans: L
Level of Difficulty: Easy
Section: 1.2.C
Learning objective: Cellular Architecture
6. The term used to indicate the degree of randomness within a system is .
Ans: H
Level of Difficulty: Easy
Section: 1.3.B
Learning objective: Thermodynamics
7. Spontaneous processes are characterized by a change in Gibbs free energy that is .
Ans: B
Level of Difficulty: Easy
Section: 1.3.B
Learning objective: Thermodynamics
8. Gibbs free energy is defined as G = .
Ans: E
Level of Difficulty: Easy
Section: 1.3.C
Learning objective: Thermodynamics
9. The symbol for free energy under standard biochemical conditions is .
Ans: K
Level of Difficulty: Easy
2
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Section: 1.3.C
Learning objective: Thermodynamics
10. Living creatures can be described thermodynamically as systems.
Ans: G
Level of Difficulty: Easy
Section: 1.3.E
Learning objective: Thermodynamics
Multiple Choice
11. What are the four most abundant elements in a human body?
A) C, N, O, H
B) C, N, O, P
C) C, S, O, H
D) C, Na, O, H
E) none of the above
Ans: A
Level of Difficulty: Moderate
Section: 1.1.A
Learning objective: The Origin of Life
12. The atmosphere of prebiotic earth probably contained the following molecules:
A) H2O, CO2, N2 , CH4, and NH3.
B) H2O, CO2, CH4, C6H12O6, and NH3.
C) H2O, CO2, CH4, C6H12O6, and COO-CH2NH+3.
D) H2O, CO2, CH4, COOHCH2NH3, and NH3.
E) none of the above
Ans: A
Level of Difficulty: Easy
Section: 1.1.A
Learning objective: The Origin of Life
13. In 1953, Urey and Miller carried out an experiment in which they subjected a mixture of
H2O, CH4, NH3, and H2 to electrical discharges. Which of the following were among the
products?
A) proteins
B) amino acids
C) nucleic acids
D) ribosomes
E) all of the above
3
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Ans: B
Level of Difficulty: Easy
Section: 1.1.A
Learning objective: The Origin of Life
14. Which of the following statements about hydrothermal vents is true?
A) The vents have temperatures as high as 800°C and emit H2S and metal sulfides.
B) The vents have temperatures as high as 600°C and emit H2S and metal nitrates.
C) The vents have temperatures as high as 400°C and emit H2S and metal sulfides.
D) none of the above
E) all of the above
Ans: C
Level of Difficulty: Moderate
Section: 1.1.A
Learning objective: The Origin of Life
For questions 15-18, consider the structure of the coenzyme NADP
O B
NH2
O
O P O N
O
A H H
O
H H
OH OH NH2
O P O
N
C
N
O
N N
O
H
D
H
4
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TEST BANK FOR
Fundamentals of Biochemistry Life at the Molecular
Level 5th Edition by Donald Voet, Judith G. Voet,
Charlotte W. Pratt Chapter 1-28 (2016)
Chapter 1: Introduction to the Chemistry of Life
Matching
A) phylogenetic
B) negative
C) H2O
D) H°
E) H – TS
F) halobacteria
G) open
H) entropy
I) flux
J) polymers
K) G°
L) thermophiles
M) nitrogen
N positive
1. The most abundant molecule in the human body is .
Ans: C
Level of Difficulty: Easy
Section: 1.1.A
Learning objective: The Origin of Life
2. During chemical evolution, small organic molecules condense to form more complex
molecules called .
Ans: J
Level of Difficulty: Easy
Section: 1.1.B
Learning objective: The Origin of Life
3. Evolutionary relationships can be visualized using a tree.
1
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,2016
Ans: A
Level of Difficulty: Easy
Section: 1.2.C
Learning objective: Cellular Architecture
4. The organisms most likely to be found in a brine environment would be .
Ans: F
Level of Difficulty: Easy
Section: 1.2.C
Learning objective: Cellular Architecture
5. The organisms most likely to be found in high temperature environments would be .
Ans: L
Level of Difficulty: Easy
Section: 1.2.C
Learning objective: Cellular Architecture
6. The term used to indicate the degree of randomness within a system is .
Ans: H
Level of Difficulty: Easy
Section: 1.3.B
Learning objective: Thermodynamics
7. Spontaneous processes are characterized by a change in Gibbs free energy that is .
Ans: B
Level of Difficulty: Easy
Section: 1.3.B
Learning objective: Thermodynamics
8. Gibbs free energy is defined as G = .
Ans: E
Level of Difficulty: Easy
Section: 1.3.C
Learning objective: Thermodynamics
9. The symbol for free energy under standard biochemical conditions is .
Ans: K
Level of Difficulty: Easy
2
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Section: 1.3.C
Learning objective: Thermodynamics
10. Living creatures can be described thermodynamically as systems.
Ans: G
Level of Difficulty: Easy
Section: 1.3.E
Learning objective: Thermodynamics
Multiple Choice
11. What are the four most abundant elements in a human body?
A) C, N, O, H
B) C, N, O, P
C) C, S, O, H
D) C, Na, O, H
E) none of the above
Ans: A
Level of Difficulty: Moderate
Section: 1.1.A
Learning objective: The Origin of Life
12. The atmosphere of prebiotic earth probably contained the following molecules:
A) H2O, CO2, N2 , CH4, and NH3.
B) H2O, CO2, CH4, C6H12O6, and NH3.
C) H2O, CO2, CH4, C6H12O6, and COO-CH2NH+3.
D) H2O, CO2, CH4, COOHCH2NH3, and NH3.
E) none of the above
Ans: A
Level of Difficulty: Easy
Section: 1.1.A
Learning objective: The Origin of Life
13. In 1953, Urey and Miller carried out an experiment in which they subjected a mixture of
H2O, CH4, NH3, and H2 to electrical discharges. Which of the following were among the
products?
A) proteins
B) amino acids
C) nucleic acids
D) ribosomes
E) all of the above
3
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Ans: B
Level of Difficulty: Easy
Section: 1.1.A
Learning objective: The Origin of Life
14. Which of the following statements about hydrothermal vents is true?
A) The vents have temperatures as high as 800°C and emit H2S and metal sulfides.
B) The vents have temperatures as high as 600°C and emit H2S and metal nitrates.
C) The vents have temperatures as high as 400°C and emit H2S and metal sulfides.
D) none of the above
E) all of the above
Ans: C
Level of Difficulty: Moderate
Section: 1.1.A
Learning objective: The Origin of Life
For questions 15-18, consider the structure of the coenzyme NADP
O B
NH2
O
O P O N
O
A H H
O
H H
OH OH NH2
O P O
N
C
N
O
N N
O
H
D
H
4
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Distribution of this document is illegal extra per year?
