Updated/Latest 2025–2026 Test Bank For Biochemistry 4th Edition By Donald Voet Comprehensive Exam Questions Answers And Rationales Study Guide For Biochemistry Molecular Biology Chemistry Life Sciences Academic Excellence And Professional Success.

, Chapter 1: Life \\ \\




Matching

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




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



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

Ans: C
J




Level of Difficulty: Easy
J J J J




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




2. Evolutionary relationships can be compared using a
J J J J J J J tree.

Ans: A
J




Level of Difficulty: Easy
J J J J




Section: 1-2. Eukaryotes
J J




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

Ans: F
J




Level of Difficulty: Easy
J J J




Section: 1-1. Prokaryotes
J J




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

Ans: I
J

,Level of Difficulty: Easy
J J J J




Section: 1-1. Prokaryotes
J J




Multiple Choice J




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




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




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




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




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




E) none of the above J J J




Ans: A
J




Level of Difficulty: Moderate
J J J J




Section: 1-1. Prokaryotes
J J




6. The biological classification system categorizes organisms into the domains:
J J J J J J J J




A) bacteria, eukarya, and vertebrate. J J J




B) archaea and eukarya. J J




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




D) eukarya and bacteria. J J




E) none of the above J J J




Ans: C
J




Level of Difficulty: Easy
J J J J




Section: 1-1. Prokaryotes
J J




7. The theory of evolution includes the following principles:
J J J J J J J




A) evolution is not directed toward a specific goal. J J J J J J J




B) evolution is ongoing, and is constrained by its past. J J J J J J J J




C) evolution requires some sloppiness for adaptation to changes.
J J J J J J J




D) A and B
J J




E) A, B, and C
J J J




Ans: E
J




Level of Difficulty: Easy
J J J J




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




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




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

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




mass of a 12 C atom.
J J J J




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




D) all of the above
J J J




E) none of the above J J J




Ans: B
J




Level of Difficulty: Easy
J J J J




Section: 1-1. Prokaryotes J J




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




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




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




complexes etc) J




C) Both have a cytoskeleton J J J




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




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




Ans: E
J




Level of Difficulty: Easy
J J J




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




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




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




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




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




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




prokarya, archaea and eukarya J J J




D) Prokaryotes do not have organelles J J J J




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




Ans: C
J




Level of Difficulty: Easy
J J J




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




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



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



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



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



D) They are also called archaea J J J J



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