Cell Biology Exam 1 Practice Test
Questions with correct answers 2026
Endosomesb-bCORRECTbANSWERSb-Sortingbofbendocytosedbmaterial
Membrane-boundborganellesb-bCORRECTbANSWERSb-Ifbabcellbdoesbnotbhavebabmembrane-
boundbnucleus,bitbisbalsobnotblikelybtobhave
Cellbmembraneb-bCORRECTbANSWERSb-
Whichbofbthebfollowingbstructuresbisbcharacteristicbofbbothbeukaryoticbandbprokaryoticbcells?
Endocyticbpathwayb-bCORRECTbANSWERSb-
Alongbwhichbpathwaybdobmaterialsborbthebplasmabmembranebmovebintobthebcellbfrombtheboutside
btobcytoplasmic
compartments?
Vesiclesb-bCORRECTbANSWERSb-
ThebproductsbofbthebendoplasmicbreticulumbarebtransportedbtobthebGolgibapparatusbby?
Mitochondriab-bCORRECTbANSWERSb-
Musclebcellsbrequirebmorebenergybinborderbtobfunctionbthanbmostbotherbcells.bTherefore,bmusclebc
ellsbwouldbbe
expectedbtobhavebmoreb________bthanbmostbotherbcells.
Ciliab-bCORRECTbANSWERSb-
Whichbofbthebfollowingbwouldbmostblikelybbebassociatedbwithbthebsurfacebofbcellsbandbprovidebabbr
ushingbmotion,
therebybmovingbmaterialsboverbthebsurfacebofbthebcells?
, Thebtwobtypesbofbtetramersbassociatebtobformbanboctamerb-bCORRECTbANSWERSb-
Studiesbofbnucleosomesbhavebshownbthatbhistonesb(exceptbH1)bexistbinbeachbnucleosomebasbtwobk
indsbof
tetramers:bonebofb2bH2Abmoleculesbandb2bH2Bbmolecules,bandbthebotherbasb2bH3bandb2bH4bmolecu
les.bWhichbof
thebfollowingbisbsupportedbbybthisbdata?
Thatbthebcriticalbfunctionbofbtelomeresbmustbbebmaintainedb-bCORRECTbANSWERSb-
ThebDNAbofbtelomeresbhasbbeenbfoundbtobbebhighlybconservedbthroughoutbthebevolutionbofbeukar
yotes.bWhat
doesbthisbmostbprobablybreflect?
FunctionsbofbMicrofilamentsb-bCORRECTbANSWERSb-
Musclebcontraction,bcellbdivision,bmaintenancebofbcellularbshapebinbanimalbcells,bAmoeboidbmove
ment,bCytoplasmicbstreaming
Nucleosome,b30-nmbchromatinbfiber,bloopedbdomainb-bCORRECTbANSWERSb-
Whichbofbthebfollowingbrepresentsbtheborderbofbincreasinglybhigherblevelsbofborganizationbofbchro
matinb(30-nmbchromatinbfiber,bLoopedbdomain,bNucleosome)b?
Additionbofbtubulinbsubunitsbtobeachbendb-bCORRECTbANSWERSb-
Elongationbofbthebmicrotubuleboccursbbybthe?
Centrosomeb-bCORRECTbANSWERSb-Thebminusb(-
)bendsbofbmicrotubulesbareboftenbanchoredbatbtheb________________b,bsuchbthatbthebdynamics
associatedbwithbmicrotubulesbisbatbthebplusb(+)bends.
RolebofbMicrofilamentsb-bCORRECTbANSWERSb-Musclebcellbcontraction,b,b,bCellbmigration.
Questions with correct answers 2026
Endosomesb-bCORRECTbANSWERSb-Sortingbofbendocytosedbmaterial
Membrane-boundborganellesb-bCORRECTbANSWERSb-Ifbabcellbdoesbnotbhavebabmembrane-
boundbnucleus,bitbisbalsobnotblikelybtobhave
Cellbmembraneb-bCORRECTbANSWERSb-
Whichbofbthebfollowingbstructuresbisbcharacteristicbofbbothbeukaryoticbandbprokaryoticbcells?
Endocyticbpathwayb-bCORRECTbANSWERSb-
Alongbwhichbpathwaybdobmaterialsborbthebplasmabmembranebmovebintobthebcellbfrombtheboutside
btobcytoplasmic
compartments?
Vesiclesb-bCORRECTbANSWERSb-
ThebproductsbofbthebendoplasmicbreticulumbarebtransportedbtobthebGolgibapparatusbby?
Mitochondriab-bCORRECTbANSWERSb-
Musclebcellsbrequirebmorebenergybinborderbtobfunctionbthanbmostbotherbcells.bTherefore,bmusclebc
ellsbwouldbbe
expectedbtobhavebmoreb________bthanbmostbotherbcells.
Ciliab-bCORRECTbANSWERSb-
Whichbofbthebfollowingbwouldbmostblikelybbebassociatedbwithbthebsurfacebofbcellsbandbprovidebabbr
ushingbmotion,
therebybmovingbmaterialsboverbthebsurfacebofbthebcells?
, Thebtwobtypesbofbtetramersbassociatebtobformbanboctamerb-bCORRECTbANSWERSb-
Studiesbofbnucleosomesbhavebshownbthatbhistonesb(exceptbH1)bexistbinbeachbnucleosomebasbtwobk
indsbof
tetramers:bonebofb2bH2Abmoleculesbandb2bH2Bbmolecules,bandbthebotherbasb2bH3bandb2bH4bmolecu
les.bWhichbof
thebfollowingbisbsupportedbbybthisbdata?
Thatbthebcriticalbfunctionbofbtelomeresbmustbbebmaintainedb-bCORRECTbANSWERSb-
ThebDNAbofbtelomeresbhasbbeenbfoundbtobbebhighlybconservedbthroughoutbthebevolutionbofbeukar
yotes.bWhat
doesbthisbmostbprobablybreflect?
FunctionsbofbMicrofilamentsb-bCORRECTbANSWERSb-
Musclebcontraction,bcellbdivision,bmaintenancebofbcellularbshapebinbanimalbcells,bAmoeboidbmove
ment,bCytoplasmicbstreaming
Nucleosome,b30-nmbchromatinbfiber,bloopedbdomainb-bCORRECTbANSWERSb-
Whichbofbthebfollowingbrepresentsbtheborderbofbincreasinglybhigherblevelsbofborganizationbofbchro
matinb(30-nmbchromatinbfiber,bLoopedbdomain,bNucleosome)b?
Additionbofbtubulinbsubunitsbtobeachbendb-bCORRECTbANSWERSb-
Elongationbofbthebmicrotubuleboccursbbybthe?
Centrosomeb-bCORRECTbANSWERSb-Thebminusb(-
)bendsbofbmicrotubulesbareboftenbanchoredbatbtheb________________b,bsuchbthatbthebdynamics
associatedbwithbmicrotubulesbisbatbthebplusb(+)bends.
RolebofbMicrofilamentsb-bCORRECTbANSWERSb-Musclebcellbcontraction,b,b,bCellbmigration.