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Fundamentals of Biochemistry Life at the Molecular Level 4th edition by Voet- Test Bank $25.36   Add to cart

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Fundamentals of Biochemistry Life at the Molecular Level 4th edition by Voet- Test Bank

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  • November 16, 2023
  • 528
  • 2022/2023
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, 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.

Ans: A
Level of Difficulty: Easy
Section: 1.2.C
Learning objective: Cellular Architecture



1

,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
Section: 1.3.C
Learning objective: Thermodynamics



2

, 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




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