b b b b
Chapterb1b ThebMolecularbBasisbofbHeredity,bVariation,bandbEvolution
1.1 Multiple-ChoicebQuestions
1) Bacteriabarebsingle-celledborganismsbwithbabsinglebchromosomebfoundbinbwhichbcellbspace?
A) nucleus
B) nucleolus
C) nucleoid
D) nuclearbenvelope
E) mitochondria
Answer:bCbS
ection:b 1.1
Skill:b Knowledge/Comprehension
2) Sexualbreproductionbuses tobgenerate gametes,bwhichbjoinbatbfertilization.
A) meiosis;bhaploid
B) mitosis;bhaploid
C) meiosis;bdiploid
D) mitosis;bdiploid
E) mitosis;bidentical
Answer:bAb
Section:b 1.1
Skill:b Knowledge/Comprehension
3) Whenbabdiploidbcellbdividesbbybmitosis,bthebresultbis .
A) identicalbhaploidbcells
B) identicalbdiploidbcells
C) uniquebdiploidbcells
D) uniquebhaploidbcells
E) abzygote.
Answer:bBbS
ection:b 1.1
Skill:b Knowledge/Comprehension
4) Modernbgeneticsbconsistsbofbthreebmajorbbranches.bWhichbofbthesebbranches,balsobknownbasb“tr
ansmissionbgenetics,”binvolvesbthebstudybofbthebtransmissionbofbtraitsbandbcharacteristicsbinbsuc
cessivebgenerations?
A) evolutionary
B) Mendelian
C) molecular
D) population
E) reproductive
1
Copyrightb©b2016bPearsonbEducation,bInc.
, Answer:bBbS
ection:b 1.1
Skill:b Knowledge/Comprehension
5) Youbidentifybabnewbunicellularborganismbwithbmultiplebchromosomesborganizedbbybproteinsbwithinbt
hebcell’sbnucleus.bIntobwhichbofbthebthreebdomainsbofblifebmightbthisborganismbfit?
A) Archaea
B) Bacteria
C) Eukarya
D) ArchaeaborbBacteria
E) ArchaeaborbEukarya
Answer:bCbS
ection:b 1.1
Skill:b Application/Analysis
6) WatsonbandbCrickbusedbevidencebfrombseveralbstudiesbtobdeterminebthebstructurebofbDNA.bWhatbc
onclusionbwerebtheybablebtobdrawbfrombRosalindbFranklin’sbX-raybdiffractionbdata,bspecifically?
A) DNAbconsistsbofbfourbtypesbofbnucleotidebbases:bA,bT,bC,bandbG.
B) DNAbnucleotidesbformbcomplementarybbasebpairs.
C) AdeninebpairsbwithbthyminebandbcytosinebpairsbwithbguaninebwhenbtheybarebonboppositebDNAbs
trands.
D) DNAbisbabduplex,bwithbtwobstrandsbformingbabdoublebhelix.
E) ThebDNAbstrandsbarebantiparallel,bandbthebstrandsbarebheldbtogetherbbybhydrogenbbonds.
Answer:bDb
Section:b 1.2
Skill:b Knowledge/Comprehension
7) Whatbkindbofbbondbisbformedbbetweenbtheb5′bphosphatebgroupbofbonebnucleotidebandbtheb3′bhydroxylb(
OH)bgroupbofbthebadjacentbnucleotide?
A) ionicbbond
B) phosphodiesterbbond
C) hydrogenbbond
D) disulfidebbond
E) hydroxylbbond
Answer:bBbS
ection:b 1.2
Skill:b Knowledge/Comprehension
8) WhatbkindbofbbondbisbformedbbetweenbcomplementarybbasebpairsbtobjoinbthebtwobDNAbstrandsbintobabd
oublebhelix?
A) ionicbbond
B) phosphodiesterbbond
C) hydrogenbbond
D) disulfidebbond
E) peptidebbond
2
Copyrightb©b2016bPearsonbEducation,bInc.
, Answer:bCbS
ection:b 1.2
Skill:b Knowledge/Comprehension
9) Whichbtype(s)bofbRNAbis/arebtranslatedbintobproteins?
A) mRNA
B) rRNA
C) tRNA
D) mRNAbandbrRNA
E) mRNA,brRNA,bandbtRNA
Answer:bAb
Section:b 1.3
Skill:b Knowledge/Comprehension
10) WhichbenzymebisbactivebinbDNAbreplication?
A) DNAbpolymerase
B) RNAbpolymerase
C) reversebtranscriptase
D) aminoacyl-tRNAbsynthetase
E) RNase
Answer:bAb
Section:b 1.2
Skill:b Knowledge/Comprehension
11) Thebpromoterbisbboundbbybwhichbenzyme?
A) DNAbpolymerase
B) RNAbpolymerase
C) Reversebtranscriptase
D) DNase
E) RNase
Answer:bBbS
ection:b 1.3
Skill:b Knowledge/Comprehension
12) WhatbisbthebprocessbofbsynthesizingbproteinsbfrombmRNAbsequences?
A) replication
B) transcription
C) translation
D) transformation
E) transduction
Answer:bCbS
ection:b 1.3
Skill:b Knowledge/Comprehension
3
Copyrightb©b2016bPearsonbEducation,bInc.