b
20
,
, Chapter1:DNAStructureandFunction
MultipleChoice
Identifythechoicethatbest completesthestatement oranswers thequestion.
v v v
A. n 1. Inwhichbodyorcellareaaremostgenesinhumanslocated?
v
A. Nucleus
B. Mitochondrion
C. Cytoplasm
D. Plasmamembrane
A. n 2. Whichconditionorstatement exemplifiestheconceptofgenomicsratherthangenetics?
v b b n
A. Thegeneforinsulinislocatedonchromosome11inallpeople.
B. Expressionofanysinglegeneisdependentoninheritingtwoalleles. n
C. Sex-linkedrecessivedisordersaffect malesmoreoftenthanfemales. v
D. Onealleleforeachgeneisinheritedfromthemother,andoneisinheritedfrom
thefather.
v
A. 3. Whati sthepurposeofphosphorousinaDNAstrand?
v b v
A. Linkingthenucleotidesintoastrand
B. Holdingcomplementarystrandstogether b
C. Ensuringthatapurineisalwayspairedwithapyrimidine b
D. Preventing theseparationofdouble-strandedDNAintosingle-strandedDNA
v
A. 4.Whatisthetermusedtodefinealternativeformsofagenethatmayresultindifferent n b v
expression ofthetraitcodedforbythatgene?
v v n
A. Alleles
B. Bases
C. Centromeres
D. Diploids
D. 5.Whatpercentageofbasesinastretchofdouble-strandedDNAthat contains30%guanine v
(G) baseswouldbeadenine(A)?
A. 70%
B. 60%
C. 30%
D. 20%
C. 6. What isthe termused todescribe theorganized pictureofthe pairedchromosomeswithina
v v v v v v v
vcell used to determinewhether chromosome numbers, structures, and banding patterns
v v v v v v v v v
varenormal?
A. Pedigree
B. Phenotype
C. Karyotype
D. Autotype
D. vn 7. WhatwouldbethesequenceofDNAthati bvvvv
scomplementarytoaDNAsectionwiththebase sequenceofGGTCAATCCTTAG?
v v
A. GATTCCTAACTGG
B. TTGACCGAAGGCT
C. AACTGGCTTCCGA
D. CCAGTTAGGAATC
, B. 8. Whichofthesecomplementarybasepairsformthestrongestor“tightest”association?
A. Adenineandthymine
B. Cytosineandguanine
C. Guanineandthymine
D. Cytosineandadenine
A 9. v v WhatactivityoccursduringMphaseofthecellcycle?
A. Thecellundergoescytokinesis.
B. Activitystops,andthecell“sleeps.”
C. AllDNAiscompletelyreplicated.
D. Thecellgreatlyincreasesproteinsynthesis.
B. 10. v v Whichchromosomenumberrepresentstheeuploidstatefornormalhumansomaticcells?
A. 44
B. 46
C. 47
D. 48
A. 11. Howdoestheproteomedifferfromthegenome?
A. Theproteomechangesinresponsetointracellularandextracellularsignals.
B. Thegenomechangesinresponsetointracellularandextracellularsignals.
C. Theproteomeisstableinsomaticcellsandunstableingermcells,whereas
b b v
the genomeisstableinbothsomaticcellsandgermcells.
v v
D. Thegenomeisstableinsomaticcellsandunstableingermcells,whereas
the proteomeisstableinbothsomaticcellsandgermcells.
v v
C. 12.
n Whatisthemostoutstandingfeatureofamaturehaploidcell?
b
A. Itisusuallyhomozygous.
B. Thesexchromosomesaremissing
C. Onlyonechromosomeofeachpairispresent.
D. DNAsynthesisoccursaftermitosisinsteadofbefore.
D. 13. At whatphaseofthecellcyclearechromosomesvisibleasseparatestructures?
v b
A. G1
B. G2
C. S
D. M
B. 14. WhichstatementaboutthecellcyclephaseofG0 istrue? v
A. Hyperplasticgrowthinplaceofhypertrophicgrowth
B. Performanceofspecificdifferentiated functions v
C. Initiationandcompletionofnucleokinesis
D. ReplicationofDNA
B.15. v What istheresult ofnormalDNAreplication?
b v
A. Formationoftwonewdaughtercells
B. FormationoftwoidenticalsetsofDNA b
C. Disappearanceoftheoriginalparent cell v
D. Activationand attachment ofspindlefibers
v n
20
,
, Chapter1:DNAStructureandFunction
MultipleChoice
Identifythechoicethatbest completesthestatement oranswers thequestion.
v v v
A. n 1. Inwhichbodyorcellareaaremostgenesinhumanslocated?
v
A. Nucleus
B. Mitochondrion
C. Cytoplasm
D. Plasmamembrane
A. n 2. Whichconditionorstatement exemplifiestheconceptofgenomicsratherthangenetics?
v b b n
A. Thegeneforinsulinislocatedonchromosome11inallpeople.
B. Expressionofanysinglegeneisdependentoninheritingtwoalleles. n
C. Sex-linkedrecessivedisordersaffect malesmoreoftenthanfemales. v
D. Onealleleforeachgeneisinheritedfromthemother,andoneisinheritedfrom
thefather.
v
A. 3. Whati sthepurposeofphosphorousinaDNAstrand?
v b v
A. Linkingthenucleotidesintoastrand
B. Holdingcomplementarystrandstogether b
C. Ensuringthatapurineisalwayspairedwithapyrimidine b
D. Preventing theseparationofdouble-strandedDNAintosingle-strandedDNA
v
A. 4.Whatisthetermusedtodefinealternativeformsofagenethatmayresultindifferent n b v
expression ofthetraitcodedforbythatgene?
v v n
A. Alleles
B. Bases
C. Centromeres
D. Diploids
D. 5.Whatpercentageofbasesinastretchofdouble-strandedDNAthat contains30%guanine v
(G) baseswouldbeadenine(A)?
A. 70%
B. 60%
C. 30%
D. 20%
C. 6. What isthe termused todescribe theorganized pictureofthe pairedchromosomeswithina
v v v v v v v
vcell used to determinewhether chromosome numbers, structures, and banding patterns
v v v v v v v v v
varenormal?
A. Pedigree
B. Phenotype
C. Karyotype
D. Autotype
D. vn 7. WhatwouldbethesequenceofDNAthati bvvvv
scomplementarytoaDNAsectionwiththebase sequenceofGGTCAATCCTTAG?
v v
A. GATTCCTAACTGG
B. TTGACCGAAGGCT
C. AACTGGCTTCCGA
D. CCAGTTAGGAATC
, B. 8. Whichofthesecomplementarybasepairsformthestrongestor“tightest”association?
A. Adenineandthymine
B. Cytosineandguanine
C. Guanineandthymine
D. Cytosineandadenine
A 9. v v WhatactivityoccursduringMphaseofthecellcycle?
A. Thecellundergoescytokinesis.
B. Activitystops,andthecell“sleeps.”
C. AllDNAiscompletelyreplicated.
D. Thecellgreatlyincreasesproteinsynthesis.
B. 10. v v Whichchromosomenumberrepresentstheeuploidstatefornormalhumansomaticcells?
A. 44
B. 46
C. 47
D. 48
A. 11. Howdoestheproteomedifferfromthegenome?
A. Theproteomechangesinresponsetointracellularandextracellularsignals.
B. Thegenomechangesinresponsetointracellularandextracellularsignals.
C. Theproteomeisstableinsomaticcellsandunstableingermcells,whereas
b b v
the genomeisstableinbothsomaticcellsandgermcells.
v v
D. Thegenomeisstableinsomaticcellsandunstableingermcells,whereas
the proteomeisstableinbothsomaticcellsandgermcells.
v v
C. 12.
n Whatisthemostoutstandingfeatureofamaturehaploidcell?
b
A. Itisusuallyhomozygous.
B. Thesexchromosomesaremissing
C. Onlyonechromosomeofeachpairispresent.
D. DNAsynthesisoccursaftermitosisinsteadofbefore.
D. 13. At whatphaseofthecellcyclearechromosomesvisibleasseparatestructures?
v b
A. G1
B. G2
C. S
D. M
B. 14. WhichstatementaboutthecellcyclephaseofG0 istrue? v
A. Hyperplasticgrowthinplaceofhypertrophicgrowth
B. Performanceofspecificdifferentiated functions v
C. Initiationandcompletionofnucleokinesis
D. ReplicationofDNA
B.15. v What istheresult ofnormalDNAreplication?
b v
A. Formationoftwonewdaughtercells
B. FormationoftwoidenticalsetsofDNA b
C. Disappearanceoftheoriginalparent cell v
D. Activationand attachment ofspindlefibers
v n
