Biochemistry 4th Edition by Donald Voet - Test Bank 100% COMPLETE QUESTIONS AND ANSWERS, study guide

, 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

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

, B) a.dimensionless.quantity.that.is.defined.as.the.ratio.of.the.mass.of.the.particle.to.1/12.the.ma
ss.of.a.12C.atom.
C) Daltons.divided.by.the.mass.of.a.hydrogen.atom.
D) all.of.the.above
E) none.of.the.above

Ans:. B
Level.of.Difficulty:. Easy.Section:
. 1-1..Prokaryotes


9. Which.of.the.following.is.a.similarity.between.all.prokaryotes.and.all.eukaryotes?
A) Both.contain.DNA.in.a.nucleus
B) Both.contain.certain.of.the.same.membrane.bound.cell.organelles.(like.mitochondria,.Golgi.co
mplexes.etc)
C) Both.have.a.cytoskeleton
D) All.of.the.above.are.similarities.between.prokaryotes.and.eukaryotes
E) None.of.the.above.are.similarities.between.prokaryotes.and.eukaryotes

Ans:. E
Level.of.Difficulty:. Easy
Section:. 1-1..Prokaryotes,.1-2..Eukaryotes

10. Which.of.the.following.statements.concerning.prokaryotes.is.false?
A) Prokaryotes.are.made.up.of.two.major.groupings:.the.eubacteria.and.the.archaea,.which.are.as.
different.from.each.other.as.from.the.eukaryotes.
B) Prokaryotes.are.generally.much.smaller.than.the.eukaryotic.cells.
C) Prokaryotes.are.one.branch.of.the.newer,.more.accurate.phylogenic.tree.made.up.of.pr
okarya,.archaea.and.eukarya
D) Prokaryotes.do.not.have.organelles
E) None.of.the.above.are.false

Ans:. C
Level.of.Difficulty:. Easy
Section:. 1-1..Prokaryotes,.1-2..Eukaryotes

11. Which.of.the.following.is.not.true.of.eukaryotes:
A) They.contain.organelles.like.mitochondria,.chloroplasts,.ribosomes,.and.a.nucleus
B) They.are.usually.10.to.100.microns.in.diameter
C) They.can.be.both.uni.or.multicellular
D) They.are.also.called.archaea
E) All.of.the.above.are.true.of.eukaryotes