Biology 101 Final Exam Questions and Answers 2025

Biology 101 Final Exam Questions and
Answers 2025
NeutronA-ACORRECTAANSWERSA-
AAparticleAwithAnoAchargeA(neitherApositiveAnorAnegative)AthatAisApresentAinAtheAnucleusAisA
calledANeutron
ProtonA-ACORRECTAANSWERSA-
aAsubatomicAparticleAthatAhasAaApositiveAchargeAandAthatAisAfoundAinAtheAnucleusAofAanA
atom
ElectronA-ACORRECTAANSWERSA-
anAelementaryAparticleAwithAnegativeAcharge,AnegativelyAchargedAparticle;AlocatedAoutsid
eAtheAatomicAnucleus
MassAnumberA-ACORRECTAANSWERSA-
theAtotalAnumberAofAprotonsAandAneutronsAinAtheAnucleusAofAanAatom
atomicAnumberA&AmassAnumberA-ACORRECTAANSWERSA-atomicAnumber-
AnumberAofAprotonsAinAoneAatomAofAtheAelement.




massAnumber-AnumberAofAprotonsA+AnumberAofAneutronsAinAoneAatomAofAtheAelement
IsotopeA-ACORRECTAANSWERSA-
atomsAofAtheAsameAelementAthatAhaveAdifferentAnumbersAofAneutrons
ionicAbondA-ACORRECTAANSWERSA-
aAchemicalAbondAresultingAfromAtheAattractionAbetweenAoppositelyAchargedAions
nonpolarAcovalentA-ACORRECTAANSWERSA-
BondAformedAwhenAelectronApairsAareAsharedAequallyAbetweenAatoms.
polarAcovalentA-ACORRECTAANSWERSA-
aAtypeAofAbondAthatAformsAwhenAelectronsAareAnotAsharedAequally
hydrogenAbondsA-ACORRECTAANSWERSA-
veryAweakAbonds;AoccursAwhenAaAhydrogenAatomAinAoneAmoleculeAisAattractedAtoAtheAelec
trostaticAatomAinAanotherAmolecule
adhesionA-ACORRECTAANSWERSA-
theAclingingAofA1AsubstanceAtoAanotherAbyAmeansAofAhydrogenAbonds
cohesionA-ACORRECTAANSWERSA-
tendencyAofAmoleculesAofAtheAsameAkindAtoAstickAtoAoneAanother
surfaceAtensionA-ACORRECTAANSWERSA-
AAmeasureAofAhowAdifficultAitAisAtoAstretchAorAbreakAtheAsurfaceAofAaAliquid.AWaterAhasAaAhig
hAsurfaceAtensionAbecauseAofAtheAhydrogenAbondingAofAsurfaceAmolecules.
soluteA-ACORRECTAANSWERSA-theAdissolvedAsubstanceAinAaAsolution
solutionA-ACORRECTAANSWERSA-aAhomogeneousAmixtureAofAtwoAorAmoreAsubstances
solventA-ACORRECTAANSWERSA-
aAliquidAsubstanceAcapableAofAdissolvingAotherAsubstances
acidA-ACORRECTAANSWERSA-
compoundAthatAdonatesAH+AionsAtoAanAaqueousAsolutionAandAmeasuresAlessAthanA7AonAth
eApHAscale

, baseA-ACORRECTAANSWERSA-
anyAsubstanceAthatAformsAhydroxideAionsAinAwaterAandAhasAaApHAaboveA7
phA-ACORRECTAANSWERSA-AAmeasureAofAhydrogenAionAconcentrationAequalAtoA-
logA[H+]AandArangingAinAvalueAfromA0AtoA14.
4AclassesAofAmacromoleculesA-ACORRECTAANSWERSA-
A.ACarbohydrates.AB.ALipids.AC.AProteins.AD.ANucleicAAcids.
dehydrationAsynthesisA-ACORRECTAANSWERSA-
AAchemicalAreactionAinAwhichAtwoAmoleculesAcovalentlyAbondAtoAeachAotherAwithAtheAremo
valAofAaAwaterAmolecule.
hydrolysisA-ACORRECTAANSWERSA-
BreakingAdownAcomplexAmoleculesAbyAtheAchemicalAadditionAofAwater
proteinsA-ACORRECTAANSWERSA-
containsAcarbon,Ahydrogen,Aoxygen,AandAnitrogen.AsourceAofAenergy.AneededAbyAtissueAfo
rArepairAandAgrowth.AmadeAupAofA20AaminoAacids.
carbohydratesA-ACORRECTAANSWERSA-
compoundAmadeAupAofAcarbon,Ahydrogen,AandAoxygenAatoms;AmajorAsourceAofAenergyAfor
AtheAhumanAbody

lipidsA-ACORRECTAANSWERSA-
biochemicalsAthatAdoAnotAdissolveAinAwaterA(fats,Aoils,AandAwaxes)AmakeAupAcellAmembran
es,AstoreAenergy
nucleicAacidsA-ACORRECTAANSWERSA-
PolymersAassembledAfromAindividualAnucleotides;AusedAtoAstoreAandAtransmitAhereditary,A
orAgenetic,Ainformation;AtheAtwoAkindsAofAnucleicAacidsAareAribonucleicAacidA(RNA)AandAde
oxyribonucleicAacidA(DNA)A(p.A47).
4AstructuralAlevelsAofAaAproteinA-ACORRECTAANSWERSA-
PrimaryA(First),ASecondaryA(Second),ATertiaryA(Third),AQuaternaryA(Fourth)
monomerA-ACORRECTAANSWERSA-
aAsimpleAcompoundAwhoseAmoleculesAcanAjoinAtogetherAtoAformApolymers
polymerA-ACORRECTAANSWERSA-
aAnaturallyAoccurringAorAsyntheticAcompoundAconsistingAofAlargeAmoleculesAmadeAupAofAaA
linkedAseriesAofArepeatedAsimpleAmonomers
functionAofAnucleicAacidA-ACORRECTAANSWERSA-
storesAgeneticAinfoAandAholdsAinstructionsAforAbuildingAaAprotein
prokaryoticAcellsA-ACORRECTAANSWERSA-
TheseAcellsAdoAnotAhaveAaAnucleusAnorAdoAtheyAhaveAanyAmembrane-
boundAorganelles...examplesAincludeAArchaeAandABacteriaAcells.Asmallest,AsimplestAandA
oldest
eukaryoticAcellsA-ACORRECTAANSWERSA-haveAmembrane-
boundAorganelles;AhaveAmembrane-
boundAnucleusA(withADNAAinside);AlargerAthanAprokaryotic;AsomeAhaveAaAtoughAouterAwallA
(plants);AsingleAandAmulticellularA(animals,Aplants,Afungi,Aprotists);AplasmaAmembraneApre
sent
plantAcellsA-ACORRECTAANSWERSA-
AAsmallAlivingApartAofAaAmulticellularAorganismAthatAmakesAitsAownAfoodAinAchloroplastAandA
reproducesAsexuallyAorAasexually.
animalAcellsA-ACORRECTAANSWERSA-...