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URSING AND HE x x
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Chapter 1: DNA Structure and Function
x x x x x
MultiplexChoice
Identifyxthexchoicexthatxbestxcompletesxthexstatementxorxanswersxthexquestion.
x x A. 1.x x Inxwhichxbodyxorxcellxareaxarexmostxgenesxinxhumansxlocated?
x
A. Nucleus
B. Mitochondrion
C. Cytoplasm
D. Plasmaxmembrane
x x A. 2.x x Whichxconditionxorxstatementxexemplifiesxthexconceptxofxgenomicsxratherxthanxgenetics?
x
A. Thexgenexforxinsulinxisxlocatedxonxchromosomex11xinxallxpeople.
B. Expressionxofxanyxsinglexgenexisxdependentxonxinheritingxtwoxalleles.
C. Sex-linkedxrecessivexdisordersxaffectxmalesxmorexoftenxthanxfemales.
D. Onexallelexforxeachxgenexisxinheritedxfromxthexmother,xandxonexisxinheritedxfromxthexf
ather.
x x A. 3.x x WhatxisxthexpurposexofxphosphorousxinxaxDNAxstrand?
x
A. Linkingxthexnucleotidesxintoxaxstrand
B. Holdingxcomplementaryxstrandsxtogether
C. Ensuringxthatxaxpurinexisxalwaysxpairedxwithxaxpyrimidine
D. Preventingxthexseparationxofxdouble-strandedxDNAxintoxsingle-strandedxDNA
x A.
x4.x Whatxisxthextermxusedxtoxdefinexalternativexformsxofxaxgenexthatxmayxresult xinxdifferentxe
xpressionxofxthextraitxcodedxforxbyxthatxgene?
A. Alleles
B. Bases
C. Centromeres
D. Diploids
x D. 5.x Whatxpercentagexofxbasesxinxaxstretchxofxdouble-
x
strandedxDNAxthatxcontainsx30%xguaninex(G)xbasesxwouldxbexadeninex(A)?
A. 70%
B. 60%
C. 30%
D. 20%
x C.
x6.x Whatxisxthextermxusedxtoxdescribexthexorganizedxpicturexofxthexpairedxchromosomesxwi
thinxaxcellxusedxtoxdeterminexwhetherxchromosomexnumbers,xstructures,xandxbandingxpatternsxare
xnormal?
A. Pedigree
B. Phenotype
C. Karyotype
D. Autotype
x D.
x7.x WhatxwouldxbexthexsequencexofxDNAxthatxisxcomplementaryxtoxaxDNAxsectionxwit
hxthexbasexsequencexofxGGTCAATCCTTAG?
A. GATTCCTAACTGG
B. TTGACCGAAGGCT
C. AACTGGCTTCCGA
D. CCAGTTAGGAATC
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