Biochemistry 4th Edition by Donald Voet Test Bank Comprehensive Exam Prep with Verified Questions and Answers Updated Latest 2025–2026 for Biochemistry Students Covering Molecular Structures, Metabolism, and Biochemical Pathways.

, Chapter 1: Life \\ \\




Matching

A) Phylogenetic
B) q/T
C) Carbon
D) ΔH°
E) H – TS T T




F) halobacteria
G) equilibrium
H) entropy
I) thermoacidophiles
J) polymers


1. The most abundant chemical element in the human body is
T T T T T T T T T T .

Ans: C
T




Level of Difficulty: Easy
T T T T




Section: 1-5. The Origin of Life
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2. Evolutionary relationships can be compared using a
T T T T T T T tree.

Ans: A
T




Level of Difficulty: Easy
T T T T




Section: 1-2. Eukaryotes
T T




3. The organisms most likely to be found in a brine solution would be
T T T T T T T T T T T T T .

Ans: F
T




Level of Difficulty: Easy
T T T




Section: 1-1. Prokaryotes
T T




4. The organisms most likely to be found in high temperature environments would be
T T T T T T T T T T T T T .

Ans: I
T

,Level of Difficulty: Easy
T T T T




Section: 1-1. Prokaryotes
T T




Multiple Choice T




5. The atmosphere of early earth probably contained the following molecules:
T T T T T T T T T




A) H2O, CO2, N2 , CH4, and NH3.
T T T T T T




B) H2O, CO2, CH4, C6H6O6,and NH3.
T T T T T




C) H2O, CO2, CH4, C6H6O6,and COOHCH2NH3.
T T T T T




D) H2O, CO2, CH4, COOHCH2NH3, and NH3.
T T T T T




E) none of the aboveT T T




Ans: A
T




Level of Difficulty: Moderate
T T T T




Section: 1-1. Prokaryotes
T T




6. The biological classification system categorizes organisms into the domains:
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A) bacteria, eukarya, and vertebrate. T T T




B) archaea and eukarya. T T




C) bacteria, eukarya, and archaea. T T T




D) eukarya and bacteria. T T




E) none of the aboveT T T




Ans: C
T




Level of Difficulty: Easy
T T T T




Section: 1-1. Prokaryotes
T T




7. The theory of evolution includes the following principles:
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A) evolution is not directed toward a specific goal.
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B) evolution is ongoing, and is constrained by its past.
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C) evolution requires some sloppiness for adaptation to changes.
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D) A and B
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E) A, B, and C
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Ans: E
T




Level of Difficulty: Easy
T T T T




Section: 1-5. The Origin of Life
T T T T T




8. The term molecular weight is a term used by biochemists that refers to
T T T T T T T T T T T T




A) the density of a particle.
T T T T

, B) a dimensionless quantity that is defined as the ratio of the mass of the particle to 1/12 the
T T T T T T T T T T T T T T T T T T




mass of a 12C atom.
T T T T




C) Daltons divided by the mass of a hydrogen atom.T T T T T T T T




D) all of the above
T T T




E) none of the above T T T




Ans: BT




Level of Difficulty: Easy
T T T T




Section: 1-1. Prokaryotes T T




9. Which of the following is a similarity between all prokaryotes and all eukaryotes?
T T T T T T T T T T T T




A) Both contain DNA in a nucleus
T T T T T




B) Both contain certain of the same membrane bound cell organelles (like mitochondria, Golgi
T T T T T T T T T T T T T




complexes etc) T




C) Both have a cytoskeleton T T T




D) All of the above are similarities between prokaryotes and eukaryotes
T T T T T T T T T




E) None of the above are similarities between prokaryotes and eukaryotes
T T T T T T T T T




Ans: ET




Level of Difficulty: Easy
T T T




Section: 1-1. Prokaryotes, 1-2. Eukaryotes
T T T T




10. Which of the following statements concerning prokaryotes is false?
T T T T T T T T




A) Prokaryotes are made up of two major groupings: the eubacteria and the archaea, which are
T T T T T T T T T T T T T T T




as different from each other as from the eukaryotes.
T T T T T T T T




B) Prokaryotes are generally much smaller than the eukaryotic cells. T T T T T T T T



C) Prokaryotes are one branch of the newer, more accurate phylogenic tree made up of
T T T T T T T T T T T T T T




prokarya, archaea and eukarya T T T




D) Prokaryotes do not have organelles T T T T




E) None of the above are false T T T T T




Ans: CT




Level of Difficulty: Easy
T T T




Section: 1-1. Prokaryotes, 1-2. Eukaryotes
T T T T




11. Which of the following is not true of eukaryotes:
T T T T T T T T



A) They contain organelles like mitochondria, chloroplasts, ribosomes, and a nucleus
T T T T T T T T T



B) They are usually 10 to 100 microns in diameter
T T T T T T T T



C) They can be both uni or multicellular
T T T T T T



D) They are also called archaea T T T T



E) All of the above are true of eukaryotes
T T T T T T T