Biology 101 Unit 2 (Exam 2) Questions WITH CORRECT ANSWERS 2026

Biology 101 Unit 2 (Exam 2) Questions
WITH CORRECT ANSWERS 2026
ProkaryoticHcellH-HCORRECTHANSWERSH-
lacksHmembraneHboundHorganellesH(exHnucleus,Hmitochondria)



GeneH-HCORRECTHANSWERSH-
AHsegmentHofHDNAHthatHisHresponsibleHforHphysicalHandHheritableHcharacteristics



ProkaryoticHChromosomeH-HCORRECTHANSWERSH-
largeHcircularHDNAHmolecule,HholdsHgeneticHinformation.HLocatedHinHtheHnucleoid



NucleoidH-HCORRECTHANSWERSH-StructuralHorganizationHlocationHofHprokaryoticHchromosomes



RibosomesH-HCORRECTHANSWERSH-
ComplexHstructuresHcomposedHofHlargeHandHsmallHsubunitsHcontainingHRNAHandHproteinHmolecul
esH.HSiteHofHproteinHsynthesis



OrganellesH-HCORRECTHANSWERSH-
littleHorganizers,HtheyHperformHvariousHenzymaticHfunctionsHofHtheHcells



PhotosynthesisH-HCORRECTHANSWERSH-SunlightHconvertedHintoHenergyHstoredHinHsugarsHSTARCH!



CytoskeletonH-HCORRECTHANSWERSH-
ProteinHfibers,HhelpsHwithHcellHdivision,HcellHshape.HCriticalHinHosmosisHandHdiffusion



PlasmaHMembraneH-HCORRECTHANSWERSH-
ContainsHlipidHbilayer.HFunctionsHasHaHprotectiveHexitHandHentrywayHintoHtheHcell

, cytoplasmH-HCORRECTHANSWERSH-AllHofHcontentsHofHtheHcellHexcludingHtheHnucleus



PhospholipidHbilayerH-HCORRECTHANSWERSH-
SemiHpermeable,HcontainHhydrophilicHandHhydrophobicHinteractions.HGatewayHinHandHoutHofHcell.



CellHWallH-HCORRECTHANSWERSH-
maintainsHosmoticHpressure,HhypertonicHrelativeHtoHoutsideHofHcell



peptidoglycanH-HCORRECTHANSWERSH-specificHtoHprokaryotes,HmaintainsHcellHshape



glycolipidH-HCORRECTHANSWERSH-LipidsHthatHcontainHcarbohydrateHgroups



FlagellaH-HCORRECTHANSWERSH-whip-
likeHprojectionsHinHtheHcellHsurfaceHthatHfunctionHinHmovement



FimbriaeH-HCORRECTHANSWERSH-
ProjectionsHextendedHfromHtheHplasmaHmembraneHandHpromoteHattachmentHtoHotherHcellHsurfac
es



EukaryoticHcellH-HCORRECTHANSWERSH-
LargerH,HmoreHefficientHcellsHwithHspecializedHorganellesHthatHareHmembraneHbound



NucleusH-HCORRECTHANSWERSH-
AdministrationHcenterHofHtheHcell,HcontainsHchromosomes.HContainsHinformationHforHstorageHandH
processing.