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Chapterb3:bAnatomybofbCellsbTe
stbBank
TRUE/FALSE
1. Maturebcellsbthatbcomprisebthebhumanbbodybarebhighlybspecializedbandbcomplex.
ANS:b T DIF: Synthesis REF:
Pageb67bTOP: FunctionalbAnatomybofbCells
2. Anbimportantbfunctionbofbthebcellbmembranebisbthebmaintenancebofbcellbintegrity.
ANS:b T DIF: Synthesis REF: Page 69 (Table 3-3)
TOP:bCellbMembrane
3. Peroxisomesbcontainbenzymesbthatbdetoxifybharmfulbsubstances.
ANS:b T DIF: Memorization REF:
Pageb76bTOP: Peroxisomes
4. Thebouterbportionbofbthebcellbmembranebisbhydrophobic,borbwater-loving.
ANS: F DIF: Memorization REF: Pageb70
TOP: CellbMembrane
5. Ribosomesb attachedb tob theb endoplasmicb reticulumb areb responsibleb forb makingb proteinsb tob beb
exportedboutbofbthebcell.
ANS:bT DIF: Memorization REF:
Pageb73bTOP: RoughbER
6. ThebfunctionsbofbthebnucleusbarebregulatedbbybRNA.
ANS:bF DIF: Memorization REF: Pageb78
,TOP: Nucleus
7. Thebmajorbdirectbcellbconnectionsbarebtightbjunctions,bgapbjunctions,bandbdesmosomes.
ANS:b T DIF: Memorization REF:
Pageb83bTOP: CellbConnections
8. Tightbjunctionsbdobnotballowbmoleculesbtobspreadbthroughbthebcracksbbetweenbcells.
ANS: T DIF: Memorization REF: Pageb83b|bPageb84
TOP: CellbConnections
9. Gapbjunctionsbarebfoundbinbthebsmallbintestine.bTheyballowbmoleculesbtobflowbbetweenbcells.
ANS: F DIF: Memorization REF: Pageb83
TOP: CellbConnections
10. Thebnumberbofbmitochondriabinbabcellbisbbasicallybrelatedbtobitsbdegreebofbactivity.
ANS:bT DIF: Memorization REF:
Pageb77bTOP: Mitochondria
11. Thebcell’sbinternalbsupportingbframeworkbisbcalledbthebcytoskeleton.
ANS:bT DIF: Memorization REF:
Pageb79bTOP: Cytoskeleton
12. Thebsizebofbabcell’sbnucleolusbisbindirectlybrelatedbtobthebamountbofbproteinbthebcellbproduces.
ANS:bT DIF: Memorization REF:
Pageb78bTOP: Nucleus
13. Heartbmusclebcellsbarebjoinedbbybgapbjunctionsbtobfacilitatebthebmovementbofbelectricalb
impulses.
ANS: T DIF: Memorization REF: Pageb83
TOP: CellbConnections
14. CellbconnectionsbcalledbdesmosomesbareblikebVelcrobholdingbcellsbtogether.
ANS:b b T DIF: Memorization REF: Pageb83
,TOP: CellbConnections
15. Ciliabareblongerbandbmorebnumerousbthanbflagella.
ANS:b F DIF: Memorization REF:
Pageb82bTOP: CellbExtensions
16. NucleicbacidbisbDNA.
ANS:b F DIF: Memorization REF:
Pageb78bTOP: Nucleus
17. Thebthinnestbcellbfibersbarebtiny,bhollowbtubesbcalledbmicrotubules.
ANS:bF DIF: Memorization REF:
Pageb79b|bPageb80bTOP: CellbFibers
18. Thebplasmabmembranebcanbbebdescribedbasbabdoubleblayerbofbphospholipidbmolecules.
ANS:b b T DIF: Synthesis REF: Pageb70 TOP: CellbMembrane
19. Generally,bthebmorebactivebabcellbis,bthebfewerbmitochondriabitbwillbcontain.
ANS:b b F DIF: Application REF: Pageb77 TOP: Mitochondria
20. Lightbmicroscopybisbinferiorbtobelectronbmicroscopy.
ANS:bT DIF: Synthesis REF: Pageb80b(Figureb3-
15)bTOP: CellbFibers
21. Theb“typical”bcellbdescribedbinbChapterb3bisbverybsimilarbtobmostbofbthebcellsbinbthebhumanbbody.
ANS: F DIF: Memorization REF: Pageb68
TOP: ThebTypicalbCell
22. Thebwaterybfluidbinbthebcellbisbcalledbcytosol.
ANS: T DIF: Memorization
REF: Pageb69b(Tableb3-3) TOP: CellbStructures
23. Water-solublebsubstancesbeasilybpassbthroughbthebcellbmembrane.
ANS: F DIF: Memorization REF: Pageb71
TOP: CellbMembrane
, 24. GlycoproteinsbonbthebcellbmembranebwouldbpreventbsomeonebwithbtypebAbbloodbfrombacceptingb
typebBbblood.
ANS:b b T DIF: Application REF: Pageb72 TOP: CellbMembrane
25. Roughbendoplasmicbreticulumblooksbroughbbecausebtherebarebmitochondriabattachedbtobit.