Biochemistry 4th Edition Author:Donald Voet - Test
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, Chapter 1: Life
Matching
A) Phylogenetic
B) q/T
C) Carbon
D) ΔH°
E) H – TS
F) halobacteria
G) equilibrium
H) entropy
I) thermoacidophiles
J) polymers
1. The most abundant chemical element in the human body is .
Ans: C
Level of Difficulty: Easy
Section: 1-5. The Origin of
Life
2. Evolutionary relationships can be compared using a tree.
Ans: A
Level of Difficulty: Easy
Section: 1-2. Eukaryotes
3. The organisms most likely to be found in a brine solution would be .
Ans: F
Level of Difficulty: Easy
Section: 1-1. Prokaryotes
4. The organisms most likely to be found in high temperature environments would be .
Ans: I
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, Level of Difficulty: Easy Section: 1-
1. Prokaryotes
Multiple Choice
5. The atmosphere of early earth probably contained the following molecules:
A) H2O, CO2, N2 , CH4, and NH3.
B) H2O, CO2, CH4, C6H6O6, and NH3.
C) H2O, CO2, CH4, C6H6O6, and COOHCH2NH3.
D) H2O, CO2, CH4, COOHCH2NH3, and NH3.
E) none of the above
Ans: A
Level of Difficulty: Moderate
Section: 1-1. Prokaryotes
6. The biological classification system categorizes organisms into the domains:
A) bacteria, eukarya, and vertebrate.
B) archaea and eukarya.
C) bacteria, eukarya, and archaea.
D) eukarya and bacteria.
E) none of the above
Ans: C
Level of Difficulty: Easy Section: 1-
1. Prokaryotes
7. The theory of evolution includes the following principles:
A) evolution is not directed toward a specific goal.
B) evolution is ongoing, and is constrained by its past.
C) evolution requires some sloppiness for adaptation to changes.
D) A and B
E) A, B, and C
Ans: E
Level of Difficulty: Easy Section: 1-
5. The Origin of Life
8. The term molecular weight is a term used by biochemists that refers to
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, A) the density of a particle.
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