Test Bank For Biochemistry 4th edition by Donald Voet, Judith G. Voet All Chapter 1-6 Complete

Test Bank b2




For Biochemistry 4th edition by Donald Voet, Judith G. Voet All Chapter 1-6
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2




Complete
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Geniusexpert stuvia
b2

, Chapter 1: Life b2 b2




Matching

A) Phylogenetic
B) q/T
C) Carbon
D) ΔH°
E) H – TS
b2 b2



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


1. The most abundant chemical element in the human body is
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 .

Ans: C b 2



Level of Difficulty: Easy
b2 b2 b 2



Section: 1-5. The Origin of
b2 b 2 b2 b2 b2



Life
b2




2. Evolutionary relationships can be compared using a
b2 b2 b2 b2 b2 b2 b2 tree.

Ans: A b 2



Level of Difficulty: Easy
b2 b2 b 2



Section: 1-2. Eukaryotes
b2 b 2 b2




3. The organisms most likely to be found in a brine solution would be
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 .

Ans: F b 2


Level of Difficulty: Easy
b2 b2 b 2



Section: 1-1. Prokaryotes
b 2 b2




4. The organisms most likely to be found in high temperature environments would be
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 .

Ans: b 2 I

,Level of Difficulty: Easy
b2 b2 b 2



Section: 1-1. Prokaryotes
b2 b 2 b2




Multiple Choice b2




5. The atmosphere of early earth probably contained the following molecules:
b2 b2 b2 b2 b2 b2 b2 b2 b2



A) H2O, CO2, N2 , CH4, and NH3.
b2 b2 b2 b2 b2 b2



B) H2O, CO2, CH4, C6H6O6, and NH3.
b2 b2 b2 b2 b2


C) H2O, CO2, CH4, C6H6O6, and COOHCH2NH3.
b2 b2 b2 b2 b2



D) H2O, CO2, CH4, COOHCH2NH3, and NH3.
b2 b2 b2 b2 b2


E) none of the above
b2 b2 b2




Ans: A
b 2



Level of Difficulty: Moderate
b2 b2 b 2



Section: 1-1. Prokaryotes
b2 b 2 b2




6. The biological classification system categorizes organisms into the domains:
b2 b2 b2 b2 b2 b2 b2 b2



A) bacteria, eukarya, and vertebrate.
b2 b2 b2



B) archaea and eukarya. b2 b2


C) bacteria, eukarya, and archaea. b2 b2 b2



D) eukarya and bacteria. b2 b2



E) none of the above
b2 b2 b2




Ans: C
b 2



Level of Difficulty: Easy
b2 b2 b 2



Section: 1-1. Prokaryotes
b2 b 2 b2




7. The theory of evolution includes the following principles:
b2 b2 b2 b2 b2 b2 b2


A) evolution is not directed toward a specific goal.
b2 b2 b2 b2 b2 b2 b2



B) evolution is ongoing, and is constrained by its past.
b2 b2 b2 b2 b2 b2 b2 b2



C) evolution requires some sloppiness for adaptation to changes.
b2 b2 b2 b2 b2 b2 b2



D) A and B
b2 b2


E) A, B, and C
b2 b2 b2




Ans: E
b 2



Level of Difficulty: Easy
b2 b2 b 2



Section: 1-5. The Origin of
b2 b 2 b2 b2 b2



Life
b2




8. The term molecular weight is a term used by biochemists that refers to
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2



A) the density of a particle.
b2 b2 b2 b2

, B) a dimensionless quantity that is defined as the ratio of the mass of the particle to
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2



1/12 the mass of a 12C atom.
b2 b2 b2 b2 b2 b2 b2



C) Daltons divided by the mass of a hydrogen atom.
b2 b2 b2 b2 b2 b2 b2 b2



D) all of the above
b2 b2 b2


E) none of the above b2 b2 b2




Ans: B b 2



Level of Difficulty: Easy
b2 b2 b 2



Section: 1-1. Prokaryotes
b2 b 2 b2




9. Which of the following is a similarity between all prokaryotes and all eukaryotes?
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2



A) Both contain DNA in a nucleus
b2 b2 b2 b2 b2


B) Both contain certain of the same membrane bound cell organelles (like mitochondria,
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2



Golgi complexes etc)
b2 b2 b2


C) Both have a cytoskeleton
b2 b2 b2



D) All of the above are similarities between prokaryotes and eukaryotes
b2 b2 b2 b2 b2 b2 b2 b2 b2


E) None of the above are similarities between prokaryotes and eukaryotes
b2 b2 b2 b2 b2 b2 b2 b2 b2




Ans: E b 2



Level of Difficulty: Easy
b2 b2 b 2


Section: 1-1. Prokaryotes, 1-2. Eukaryotes
b 2 b2 b2 b2




10. Which of the following statements concerning prokaryotes is false?
b2 b2 b2 b2 b2 b2 b2 b2



A) Prokaryotes are made up of two major groupings: the eubacteria and the archaea,
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2



which are as different from each other as from the eukaryotes.
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2



B) Prokaryotes are generally much smaller than the eukaryotic cells.
b2 b2 b2 b2 b2 b2 b2 b2


C) Prokaryotes are one branch of the newer, more accurate phylogenic tree made
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2



up of prokarya, archaea and eukarya
b2 b2 b2 b2 b2 b2


D) Prokaryotes do not have organelles b2 b2 b2 b2



E) None of the above are false
b2 b2 b2 b2 b2




Ans: C b 2



Level of Difficulty: Easy
b2 b2 b 2



Section: 1-1. Prokaryotes, 1-2. Eukaryotes
b 2 b2 b2 b2




11. Which of the following is not true of eukaryotes:
b2 b2 b2 b2 b2 b2 b2 b2


A) They contain organelles like mitochondria, chloroplasts, ribosomes, and a nucleus
b2 b2 b2 b2 b2 b2 b2 b2 b2


B) They are usually 10 to 100 microns in diameter
b2 b2 b2 b2 b2 b2 b2 b2


C) They can be both uni or multicellular
b2 b2 b2 b2 b2 b2


D) They are also called archaea
b2 b2 b2 b2


E) All of the above are true of eukaryotes
b2 b2 b2 b2 b2 b2 b2