Biochemistry 4th Edition by Donald Voet Test Bank Questions and Answers 2025/ 2026

, Chapter 1: Life
fy fy




Matching

A) Phylogenetic
B) q/T
C) Carbon
D) ΔH°
E) Hfy–fyTS
F) halobacteria
G) equilibrium
H) entropy
I) thermoacidophiles
J) polymers


1. Thefymostfyabundantfychemicalfyelementfyinfythefyhumanfybodyfyisfy .

Ans:f y C
LevelfyoffyDifficulty:f y EasyfySect
ion:f y 1-5.fyThefyOriginfyoffyLife

2. Evolutionaryfyrelationshipsfycanfybefycomparedfyusingfyafy tree.

Ans:f y A
LevelfyoffyDifficulty:f y EasyfySect
ion:f y 1-2.fyEukaryotes

3. Thefyorganismsfymostfylikelyfytofybefyfoundfyinfyafybrinefysolutionfywouldfybefy.

Ans:f y F
LevelfyoffyDifficulty:f y Easy
Section:f y 1-1.fyProkaryotes


4. Thefyorganismsfymostfylikelyfytofybefyfoundfyinfyhighfytemperaturefyenvironmentsfywouldfybefy .

Ans:f y I

,LevelfyoffyDifficulty:f y EasyfySect
ion:f y 1-1.fyProkaryotes

MultiplefyChoice

5. Thefyatmospherefyoffyearlyfyearthfyprobablyfycontainedfythefyfollowingfymolecules:
A) H2O,fyCO2,fyN2fy,fyCH4,fyandfyNH3.
B) H2O,fyCO2,fyCH4,fyC6H6O6,fyandfyNH3.
C) H2O,fyCO2,fyCH4,fyC6H6O6,fyandfyCOOHCH2NH3.
D) H2O,fyCO2,fyCH4,fyCOOHCH2NH3,fyandfyNH3.
E) nonefyoffythefyabove

Ans:f y A
LevelfyoffyDifficulty:f y Moderatefy
Section:f y 1-1.fyProkaryotes

6. Thefybiologicalfyclassificationfysystemfycategorizesfyorganismsfyintofythefydomains:
A) bacteria,fyeukarya,fyandfyvertebrate.
B) archaeafyandfyeukarya.
C) bacteria,fyeukarya,fyandfyarchaea.
D) eukaryafyandfybacteria.
E) nonefyoffythefyabove

Ans:f y C
LevelfyoffyDifficulty:f y EasyfySect
ion:f y 1-1.fyProkaryotes

7. Thefytheoryfyoffyevolutionfyincludesfythefyfollowingfyprinciples:
A) evolutionfyisfynotfydirectedfytowardfyafyspecificfygoal.
B) evolutionfyisfyongoing,fyandfyisfyconstrainedfybyfyitsfypast.
C) evolutionfyrequiresfysomefysloppinessfyforfyadaptationfytofychanges.
D) AfyandfyB
E) A,fyB,fyandfyC

Ans:f y E
LevelfyoffyDifficulty:f y EasyfySect
ion:f y 1-5.fyThefyOriginfyoffyLife

8. Thefytermfymolecularfyweightfyisfyafytermfyusedfybyfybiochemistsfythatfyrefersfyto
A) thefydensityfyoffyafyparticle.

, B) afydimensionlessfyquantityfythatfyisfydefinedfyasfythefyratiofyoffythefymassfyoffythefyparticlefytof
12
y1/12fythefymassfyoffyafy Cfyatom.

C) Daltonsfydividedfybyfythefymassfyoffyafyhydrogenfyatom.
D) allfyoffythefyabove
E) nonefyoffythefyabove

Ans:f y B
LevelfyoffyDifficulty:f y EasyfySect
ion:f y 1-1.fyProkaryotes

9. Whichfyoffythefyfollowingfyisfyafysimilarityfybetweenfyallfyprokaryotesfyandfyallfyeukaryotes?
A) BothfycontainfyDNAfyinfyafynucleus
B) Bothfycontainfycertainfyoffythefysamefymembranefyboundfycellfyorganellesfy(likefymitochondria,f
yGolgifycomplexesfyetc)

C) Bothfyhavefyafycytoskeleton
D) Allfyoffythefyabovefyarefysimilaritiesfybetweenfyprokaryotesfyandfyeukaryotes
E) Nonefyoffythefyabovefyarefysimilaritiesfybetweenfyprokaryotesfyandfyeukaryotes

Ans:f y E
LevelfyoffyDifficulty:f y Easy
Section:f y 1-1.fyProkaryotes,fy1-2.fyEukaryotes

10. Whichfyoffythefyfollowingfystatementsfyconcerningfyprokaryotesfyisfyfalse?
A) Prokaryotesfyarefymadefyupfyoffytwofymajorfygroupings:fythefyeubacteriafyandfythefyarchaea,fywh
ichfyarefyasfydifferentfyfromfyeachfyotherfyasfyfromfythefyeukaryotes.
B) Prokaryotesfyarefygenerallyfymuchfysmallerfythanfythefyeukaryoticfycells.
C) Prokaryotesfyarefyonefybranchfyoffythefynewer,fymorefyaccuratefyphylogenicfytreefymade
fyupfyoffyprokarya,fyarchaeafyandfyeukarya

D) Prokaryotesfydofynotfyhavefyorganelles
E) Nonefyoffythefyabovefyarefyfalse

Ans:f y C
LevelfyoffyDifficulty:f y Easy
Section:f y 1-1.fyProkaryotes,fy1-2.fyEukaryotes

11. Whichfyoffythefyfollowingfyisfynotfytruefyoffyeukaryotes:
A) Theyfycontainfyorganellesfylikefymitochondria,fychloroplasts,fyribosomes,fyandfyafynucleus
B) Theyfyarefyusuallyfy10fytofy100fymicronsfyinfydiameter
C) Theyfycanfybefybothfyunifyorfymulticellular
D) Theyfyarefyalsofycalledfyarchaea
E) Allfyoffythefyabovefyarefytruefyoffyeukaryotes