, Chapter 1: DNA Structure and Function
c c c c c
Multiple cChoice
Identify cthe cchoice cthat cbest ccompletes cthe cstatement cor canswers cthe cquestion.
c c A. c1. c c In cwhich cbody cor ccell carea care cmost cgenes cin chumans clocated?
A. Nucleus
B. Mitochondrion
C. Cytoplasm
D. Plasma cmembrane
c c A. c2. c c Which ccondition cor cstatement cexemplifies cthe cconcept cof cgenomics crather cthan cgenetics?
A. The cgene cfor cinsulin cis clocated con cchromosome c11 cin call cpeople.
B. Expression cof cany csingle cgene cis cdependent con cinheriting ctwo calleles.
C. Sex-linked crecessive cdisorders caffect cmales cmore coften cthan cfemales.
D. One callele cfor ceach cgene cis cinherited cfrom cthe cmother, cand cone cis cinherited cfrom
cthe cfather.
c c A. c3. c cWhat cis cthe cpurpose cof cphosphorous cin ca cDNA cstrand?
A. Linking cthe cnucleotides cinto ca cstrand
B. Holding ccomplementary cstrands ctogether
C. Ensuring cthat ca cpurine cis calways cpaired cwith ca cpyrimidine
D. Preventing cthe cseparation cof cdouble-stranded cDNA cinto csingle-stranded cDNA
c A. c4. cWhat cis cthe cterm cused cto cdefine calternative cforms cof ca cgene cthat cmay cresult cin cdifferent
expression cof cthe ctrait ccoded cfor cby cthat cgene?
c
A. Alleles
B. Bases
C. Centromeres
D. Diploids
c D. c5. c What cpercentage cof cbases cin ca cstretch cof cdouble-stranded cDNA cthat ccontains c30%
guanine c(G) cbases cwould cbe cadenine c(A)?
c
A. 70%
B. 60%
C. 30%
D. 20%
c C. c6. c What cis cthe cterm cused cto cdescribe cthe corganized cpicture cof cthe cpaired cchromosomes cwithin
ca ccell cused cto cdetermine cwhether cchromosome cnumbers, cstructures, cand cbanding cpatterns
care cnormal?
A. Pedigree
B. Phenotype
C. Karyotype
D. Autotype
c D. c7. c What cwould cbe cthe csequence cof cDNA cthat cis ccomplementary cto ca cDNA csection cwith
the cbase csequence cof cGGTCAATCCTTAG?
c
A. GATTCCTAACTGG
B. TTGACCGAAGGCT
C. AACTGGCTTCCGA
D. CCAGTTAGGAATC
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, c c B. c8. c Which cof cthese ccomplementary cbase cpairs cform cthe cstrongest cor c“tightest” cassociation?
c
A. Adenine cand cthymine
B. Cytosine cand cguanine
C. Guanine cand cthymine
D. Cytosine cand cadenine
c c A c 9. c c What cactivity coccurs cduring cM cphase cof cthe ccell ccycle?
A. The ccell cundergoes ccytokinesis.
B. Activity cstops, cand cthe ccell c“sleeps.”
C. All cDNA cis ccompletely creplicated.
D. The ccell cgreatly cincreases cprotein csynthesis.
c c B. c c10. c Which cchromosome cnumber crepresents cthe ceuploid cstate cfor cnormal chuman csomatic ccells?
A. 44
B. 46
C. 47
D. 48
c c A. c c 11. c How cdoes cthe cproteome cdiffer cfrom cthe cgenome?
A. The cproteome cchanges cin cresponse cto cintracellular cand cextracellular csignals.
B. The cgenome cchanges cin cresponse cto cintracellular cand cextracellular csignals.
C. The cproteome cis cstable cin csomatic ccells cand cunstable cin cgerm ccells, cwhereas
c the cgenome cis cstable cin cboth csomatic ccells cand cgerm ccells.
D. The cgenome cis cstable cin csomatic ccells cand cunstable cin cgerm ccells, cwhereas
c the cproteome cis cstable cin cboth csomatic ccells cand cgerm ccells.
c c C. c c 12. c What cis cthe cmost coutstanding cfeature cof ca cmature chaploid ccell?
A. It cis cusually chomozygous.
B. The csex cchromosomes care cmissing.
C. Only cone cchromosome cof ceach cpair cis cpresent.
D. DNA csynthesis coccurs cafter cmitosis cinstead cof cbefore.
c c D. c c 13. c At cwhat cphase cof cthe ccell ccycle care cchromosomes cvisible cas cseparate cstructures?
A. G1
B. G2
C. S
D. M
c c B. c c14. c Which cstatement cabout cthe ccell ccycle cphase cof cG0 cis ctrue?
A. Hyperplastic cgrowth cin cplace cof chypertrophic cgrowth
B. Performance cof cspecific cdifferentiated cfunctions
C. Initiation cand ccompletion cof cnucleokinesis
D. Replication cof cDNA
c c B. c c 15. c What cis cthe cresult cof cnormal cDNA creplication?
A. Formation cof ctwo cnew cdaughter ccells
B. Formation cof ctwo cidentical csets cof cDNA
C. Disappearance cof cthe coriginal cparent ccell
D. Activation cand cattachment cof cspindle cfibers
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