Biology 101 quiz 2 QUESTIONS WITH CORRECT ANSWERS 2026

Biology 101 quiz 2 QUESTIONS WITH
CORRECT ANSWERS 2026
4KclassesKofKmoleculesKthatKareKimportantKtoKorganismsK-KCORRECTKANSWERSK-CarbsK

ProteinsK

Lipids

NucleicKAcids

(they'reKallKmacroKmoleculesKthatKhaveKcarbonKbackbones)

(allKexceptKforKLipidsKareKpolymers)



ActinK-KCORRECTKANSWERSK-GivesKcellsKabilityKtoKmove;Kmicrofilaments



AminoKacidsK-KCORRECTKANSWERSK-
MostKa.a.KweKuseKcomeKfromKourKdiet;KsomeKareKmadeKbyKtheKGIKtract;KhaveKpurposefullyK3DKshap
e



BuildingKblocksK-KCORRECTKANSWERSK-NucleicKAcidsK(foundationKforKeverythingKelse)



CarbohydratesK-KCORRECTKANSWERSK-
Body'sKbasicKenergyKsource;KprimaryKC,KH,KO;KTWOKTYPES:KsugarKandKstarch;KenergyKinKcarbsKisKcon
tainedKinKC-HKbondKandKisKreleasedKduringKhydrolysis;KglucoseKisKtheKsimpleKsugarKtheKbodyKuses



CellKwallK-KCORRECTKANSWERSK-OutsideKofKplasmaKmembrane;KmakesKcellsKrigid



CelluloseK-KCORRECTKANSWERSK-GivesKplantsKtheirKrigidity



CentralKvacuoleK-KCORRECTKANSWERSK-StoresKH2O

, ChitinK-KCORRECTKANSWERSK-InKtheKShellKofKmoltingKseaKcreatures



ChloroplastsK-KCORRECTKANSWERSK-SiteKofKphotosynthesisK(convertingKlightKtoKsugar)



CholesterolK-KCORRECTKANSWERSK-
GivesKcellsKtheirKrigidity;KprecursorKforKcertainKsteroidKhormones



CytoplasmK-KCORRECTKANSWERSK-Fluid



CytoskeletonK-KCORRECTKANSWERSK-StructuralKsupportKforKtheKcell;KdynamicK(moving)Kstructure



DehydrationKreactionK-KCORRECTKANSWERSK-
TakingKaKmonomerKandKaKmonomerKandKmakingKaKpolymer;KreleasingKH2O;KthisKisKwhatKplantsKdo



DehydrationKreactionKequationK-KCORRECTKANSWERSK-monomerK+KmonomerK-->KpolymerK+KH2O



Di-saccharidesK-KCORRECTKANSWERSK-Sucrose



DifferentKpropertiesKofKaminoKacidsK-KCORRECTKANSWERSK-1.KHydrophilic/HydrophobicK

2.KPositive/NegativeKchargeK

3.KAcidic/Basic/Neutral



DNAK-KCORRECTKANSWERSK-AdenineK

THYMINE

GuanineK

Cytosine