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BIOD 101 Test Questions: Previous Exam Questions with Reviewed Answers, Exams of Nutrition

A comprehensive set of previous exam questions for biod 101, covering key concepts in biology. Each question includes a detailed, reviewed answer, making it an excellent resource for students preparing for exams. The questions cover a wide range of topics, including cell structure, biomolecules, transport mechanisms, and eukaryotic kingdoms.

Typology: Exams

2024/2025

Available from 02/01/2025

Nursebrahim01
Nursebrahim01 🇺🇸

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Previous Exam Questions BIOD 101 Test Questions
With Reviewed Answers Latest 2025/2026
GRADED A+ 100% COMPLETE
1. Whatgisgmatter?:gAnythinggthatgtakesgupgspace,gbyghavinggagvolume,gandghas
mass
2. Thegfoundationalgbuildinggblocksgofgproteinsgaregthegorganicgcompounds
g ,gwhichgaregheldgtogethergby bonds:gaminogacids;gpeptide
3. A isgthegsubstancegbeinggdissolvedgintoganothergsubstance,gwhilegthe
g
isgthegsubstancegintogwhichganothergsubstancegisgbeinggdissolved:gsolute;gso
lvent
4. Whygareglipidsginsolublegingwater?:gTheygaregmadegmostlygofgnon-polarghydro-
gcarbongchains.gAsgwatergisgpolar,gitgwillgonlygdissolvegothergpolargorgionicallygbondedgsu
bstances.gLipidsgaregnon-
polar,gandgthisgisgwhygtheygareginsolublegingwatergbutgcangbegdissolvedgwithgnonpolargsolv
entsglikegalcohol
5. Whatgtypegofgiongcarriesgagnegativegcharge?:ganion
6. Whichgorganellegofgthegcellgcontainsgtheggeneticgcontentgofgthegcellgandgse
rvesgasgthegcontrolgcenter?:gnucleus
7. Whatgtypegofgtransportgrequiresgenergygtogmovegsubstancesgthroughgthegcellgm
embrane?gProvidegangexamplegofgthisgtypegofgtransport:gActivegtransport;gthegsodi
um-
potassiumgpumpgisgangactivegformgofgtransportgusedgtogmovegsodiumgionsgoutgofg(andgpo
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Download BIOD 101 Test Questions: Previous Exam Questions with Reviewed Answers and more Exams Nutrition in PDF only on Docsity!

Previous Exam Questions BIOD 101 Test Questions

With Reviewed Answers Latest 2025/

GRADED A+ 100% COMPLETE

  1. Whatgisgmatter?:gAnythinggthatgtakesgupgspace,gbyghavinggagvolume,gandghas mass
  2. Thegfoundationalgbuildinggblocksgofgproteinsgaregthegorganicgcompounds g ,gwhichgaregheldgtogethergby bonds:gaminogacids;gpeptide
  3. A isgthegsubstancegbeinggdissolvedgintoganothergsubstance,gwhilegthe g isgthegsubstancegintogwhichganothergsubstancegisgbeinggdissolved:gsolute;g so lvent
  4. Whygareglipidsginsolublegingwater?:gTheygaregmadegmostlygofgnon-polarghydro- g carbongchains.gAsgwatergisgpolar,gitgwillgonlygdissolvegothergpolargorgionicallygbondedg su bstances.gLipidsgaregnon- polar,gandgthisgisgwhygtheygareginsolublegingwatergbutgcang begdissolvedgwithgnonpolargsolv entsglikegalcohol
  5. Whatgtypegofgiongcarriesgagnegativegcharge?:ganion
  6. Whichgorganellegofgthegcellgcontainsgtheggeneticgcontentgofgthegcellgandg se rvesgasgthegcontrolgcenter?:gnucleus
  7. Whatgtypegofgtransportgrequiresgenergygtogmovegsubstancesgthroughgthegcellg m embrane?gProvidegangexamplegofgthisgtypegofgtransport:gActivegtransport;gtheg sodi um- potassiumgpumpgisgangactivegformgofgtransportgusedgtogmovegsodiumgionsg outgofg(andgpo

tassiumgionsginto)gthegcell

  1. TruegorgFalse:gBiomacromoleculesgaregsaidgtogbegmonomersgbecausegtheyg c ontaingmanygpolymers:gFalse;gbiomacromoleculesgaregsaidgtogbegpolymersgbe- g causegtheygcontaingmanygmonomers
  2. Whatgtypegofgcellgjunctionsgaregmechanicalgstructuresgthatgwrapgarounfgtheg ce llgtogpreventgextracellulargfluidgfromgleaking?:gtightgjunctions
  3. Nucleicgacidsgaregpolymersgbuiltgfromgmonomersgcalled :gnucleotides
  4. WhichgofgthegfollowinggstatementsgisgTRUEgconcerninggeukaryoticgcells?
  • eukaryoticgcellsgaregtypicallygsmallergthangprokaryoticgcells
  • eukaryoticgcellsgdognotgcontainginternalgmembrane-boundgorganelles
  • eukaryoticgcellsgpossessgagnucleargmembrane
  • eukaryoticgcellsgareglessgcomplexgthangprokaryoticgcells:geukaryoticgcellsg p ossessgagnucleargmembrane
  1. TruegorgFalse:gtracegelementsgaregrequiredgonlygingsmallgquantities:gtrue
  2. Asgpartgofgthegcytoskeleton,gwhatgrolegdogmicrotubulesgserve?:gmicrotubulesg inf luencegcellgshape,gformgspindlesgforgchromosomegseparationgduringgmitosis, cangbegarrangedgingspecificggeometricgconformationsgthatgaregusedgforgcellularg locomot ion,gandgtheygservegasg"roads"gforgorganellesgtogtravelg(bygwaygofgmotorg proteins)
  3. The groupgofgagphoshpholipidgisghydrophobic,gwhereasgthegg g groupgisghydrophilic:gtail;ghead

gwillgneithergshrinkgnorgswellgbecausegthegsolutegconcentrationginsidegthegcellg equalsgthe gsolutegconcentrationgoutsidegthegcell

  1. whichgofgthegfollowinggnitrogenousgbasesgcangbegfoundgingRNA?:gcytosine,g ad enine,guracil,gguanine
  2. Individualglivinggmembersgofgagpopulationgbestgdescribesgan:gorganism
  3. eachgofgthegfollowinggaregtruegregardinggeukaryotesgexcept:
  • theygareglargergandggenerallygmoregcomplexgthangprokaryotes
  • theygcontaingagmembranegbound,gtruegnucleus
  • theyghavegcellgwallsgcomposedgofgpeptidoglycan
  • theygcangbegdividedgintog 4 gmaingkingdons:gfungi,gprotista,gplantae,ganimalia- :gtheyghavegcellgwallsgcomposedgofgpeptidoglycan
  1. TruegorgFalse:gThegrRNAgfoundgingcellsgofgthegarchaeagdomaingwouldgbeg ide nticalgtogthosegfoundgingthegeubacteriagdomain:gFalse:grRNAgisguniquegandg specif icgtogorganismsgwithingeachgdomain
  1. g plantsglackgthegformationgofgtubesgtogtransportgwatergandgnutrients- :gnonvascular
  2. TineagPediagandgTineagCorporis,gbothgmycoticginfections,gcangbegfoundging w hichgeukaryoticgkingdom?:gfungi
  3. Discussgthegdifferencegbetweengagregulatorygprocessgandgangadaptation- :gregulatorygprocessesgaregthegprocessesgthatgaglivinggorganismgcarriesgoutgtog maintaing deviationsgfromgcriticalgphysiologicgsetgpoints.gMaintainghomeostasis:gbodyg temperatur e,gpHglevels,gbloodgflow.gAngadaptationgisgagchangegovergtimegthatgallowsg angorganismgtog survivegbettergwithingitsgenvironmentg(squirrelsghibernategingwinter,g crabsgdevelopghardg shell)
  4. TruegorgFalse:gprokaryotes,gbothgbacteriagandgextremophiles,gplaygagcrucialg ro legingmaintaininggthegbiosphere:gtrue
  5. Whichgofgthegfollowinggis/aregtruegofgthegEukaryoticgkingdom,gplantae?
  • allgmembersgofgthisgkingdomgaregconsideredgconsumers
  • allgorganismsgaregmulticellulargandgheterotrophic
  • organismsgmaygbegunicellulargorgmulticellular
  • organismsgaregmulticellulargandgautotrophic:g- gorganismsgaregmulticellulargandg autotrophic
  1. IngthegLinnaeangclassificationgsystem,gtheglargestgandgbroadestgcategory,gw hichgencompassesgallgothergtaxa,gisgthe :gdomain
  2. EachgofgthegfollowinggisgtruegregardinggthegMoneragkingdomgexcept:
  • itgisgrecognizedgbygallgscientistsgasgagkingdom
  • itgcontainsgmicroscopicgorganismsgthatgaregsomegofgthegoldestginhabitantsgofg pl anetgEarth
  • pectobacteriumgisgagmembergofgthisgkingdom
  1. TruegorgFalse:gProtistsgcangformgnewgoffspringgthroughgsexualgreproduc- tion,gbinarygfission,gbudding,gandgsporegformation:gtrue
  2. whichgofgthegfollowinggis/aregtruegregardinggangunrootedgphylogenicgtree?
  • itgisgusedgtogdemonstrategevolutionarygrelationships
  • itghasgagnodegthatgisgsharedgbetweengthegleavesgongthegtree
  • itgillustratesglevelsgofgrelatednessgwithoutgmakinggaghypothesisgaboutgsharedg a ncestry:g-gitgisgusedgtogdemonstrategevolutionarygrelationships
  • gitgillustratesglevelsgofgrelatednessgwithoutgmakinggaghypothesisgaboutgsharedg ancestry
  1. TruegorgFalse:gingprotosomegdevelopment,gagradialgcleavagegoccursgingtheg ce llgmass:gFalse:gingprotosomegdevelopment,gagspiralgcleavagegoccursgingthegcellg mass or ingdeuterostomegdevelopment,gagradialgcleavagegoccurs
  2. agrelationshipgbetweengtwogorganismsgingwhichgonlyg 1 gorganismgbenefitsg w hilegthegothergremainsgunharmedgorgunaffectedgis:gcommensalism
  3. eachgofgthegfollowinggisgtruegofgeubacteriagexcept:
  • theirgcellulargstructuregisgprokaryotic
  • theirgDNAgisghousedgingagtruegnucleus
  • theygreproducegbygbinarygfission
  • theirgcellgwallgisgcomposedgofgpeptidoglycan:g- theirgDNAgisghousedgingagtrueg nucleus
  1. Gram bacteriaghavega layergofgpeptidoglycan:gnegative,gthing or positive,gthick
  2. ListgTWOgcriteriongonegshouldgconsidergwhengdevelopinggagusefulgresearchg m odel:g1)geasygtogmaintain
  1. physicalgsizegshouldgbegconvenient
  2. inexpensive
  3. shortglifegcycles
  4. cangbeggeneticallygmanipulated
  5. cangbegusedgtogdelivergeconomicallygimportantgresults
  1. TruegorgFalse:gextremophilesgaregagsmallgsubsetgofgthegeubacteriagdomain- :gFalse:gextremophilesgaregagsmallgsubsetgofgthegarchaeagdomain
  2. whichgofgthegfollowinggcyclesgisgmaintainedgthroughgplantgphotosynthesisg a ndgcellulargrespirationgofgconsumers?
  • nitrogen
  • carbon

10

  • Centrosome
  • Centriole
  • Mitoticgspindle
  • Kinetochore:gCentrosome:gRegiongofgthegcellgthatgfunctionsgtogorganizegmicro- g tubulesgforgcellgdivision. Centriole:gAgshort,gcylindricalgproteingfilamentgcomposedgofgtubulingthatgplaysgagroleg ingt hegformationgofgthegmitoticgspindle. mitoticgspindle:gCytoskeletalgapparatusgcomposedgofgdifferentgkindsgofgmicrotubulesg th atgwillgseparategthegsistergchromatids. kinetochore:gAgstructuredgregiongusedgforgmicrotubulegattachment.
  1. Whatgoccursgduringgthegprocessgofgtransduction?:gThegsignalinggmoleculeg c ausesgangintracellulargchange.
  2. g immunitygisgcharacterizedgbygagrecognitiongofgtraitsgspecificgtog particulargp athogens,gusinggagvastgarraygofgreceptors.:gadaptive

11

  1. Whatgorganellesgofgthegcellsgaregcomplexesgofgtinygmanufacturinggplants thatgassemblegproteins?:gRibosomes
  2. Thegbroadestglevelgofgorganizationgencompassinggplanetgearthgandgtheg at mospheregbestgdescribesga(n)::gBiosphere
  3. Ingwhatgordergdogthegprocessesgofgcellulargrespirationgoccur?:gGlycolysisg>g Ci tricgacidgcycleg>gElectrongtransportgchain
  4. Whygisgthegcellgcyclegcontrolgsystemgimportant?:gThegcellgcyclegcontrolg system gisgessentialgforgnormalgcellularggrowthgandgdevelopment,gwhichgisgachievedg bygcontroll inggthegtiminggandgrategofgthegcellgcycle.
  5. Oncegagsteroidghormonegreachesgitsgtargetgcell,ghowgdoesgitgreachgtheg intrace llulargreceptor?:gAgsteroidghormonegisghydrophobic,gsogitgwillgdiffusegthroughg theghydrop hobicgportionsgofgthegplasmagmembranegtogreachgthegintracellulargreceptor.
  6. TruegorgFalse.gIfgfalse,gexplaingwhygitgisgfalse.gHumoralgimmunegresponsesg in volvegBgcells.:gTrue
  7. Thegfoundationalgbuildinggblocksgofgproteinsgaregthegorganicgcompounds g ,gwhichgaregheldgtogethergby bonds.:gaminogacids;gpeptide
  8. Whichgofgthegfollowinggwouldgbegconsideredgtheglargestglevelgofgorganiza- g tiongwithingagpopulationgofglivinggorganisms?:gOrganisms
  9. MatchgeachgofgthegfollowinggCACgreactionsgwithgthegcorrectgdescription.- :gReactiong3:gIsocitrategisgconvertedgintog±k- etoglutarategingagreactiongcatalyzedgbygisocitrategdehydrogenase.gAngNAD+gmolecul egisgreducedgtogNADHg+gH+gingthisg reaction,gandgagcarbongdioxidegmoleculegisgrelease dgasgagproduct. Reactiong5:gangenzymegcalledgsuccinyl-CoAgsynthetasegcatalyzesgagreactiongbe- g tweengGDP,gPi,gandgsuccinyl-

13

  1. Whichgofgthegfollowinggclassificationgsystemsgfocusesgongfeedinggrelation- ships?:gTrophicglevels
  2. Whatgisgsubstrateglevelgphosphorylation?:gSubstrateglevelgphosphorylationgisg th egmetabolicgprocessgofgATPgbeinggformedgfromgthegdirectgtransfergofgagphosphateggroupg fromgangorganicgsubstrate.
  3. Whichgtypegofgdominancegoccursgwhengthegtraitsgofgbothgallelesgaregex- g pressedgingagphenotype?gProvidegangexamplegofgthisgtypegofgdominance.- :gCodominance;gAngexamplegofgthisgcangbegobservedgwithgaggroupgofgmoleculesg locatedg ongthegsurfacegofgredgbloodgcellsgcalledgthegMgandgNgmoleculesgwhengbothg MgandgNgmole culesgaregexhibitedgongthegindividual'sgredgbloodgcells.
  4. Whatgwouldgresultgifgagcellgresistedgapoptosis?:gCancerousggrowthgcouldg oc cur.
  5. Matchgeachgofgthegfollowinggtermsgwithgthegcorrectgdescription.:gNeu- g trophils: Lymphocytes:g Mon ocytes:gBasophils:
  6. TruegorgFalse:gOxygengisgthegfinalgelectrongacceptorgingthegETCginganaerobicg re spiration:gFalse,goxygengisgthegfinalgelectrongacceptorgingaerobicgrespiration
  7. Whichgofgthegfollowinggchemicalgreactionsgrequiresgenergygandgoccursg whe ngtwogorgmoregmonomersgaregjoinedgtogether,gresultinggingtheglossgofgag watergmol eculegandgpossiblygothergsmallgmolecules?:gdehydrationgcondensation
  8. thegcitricgacidgcyclegisgalsogknowngasgthe cycle:gKrebs
  9. TruegorgFalse:gcatabolismgrefersgtogthegsumgofgallgsyntheticgenergy- requiringg biochemicalgreactions:gFalse;ganabolismgrefersgtogthegsumgofgallgsyntheticg ener-g gy-requiringgbiochemicalgreactions

14 or catabolismgrefersgtogallgthegenergy-releasinggreactions

  1. whichgofgthegfollowinggisgproducedgduringgReactiong 1 gofgthegCAC?
  • citrate
  • a-Ketoglutarate
  • fumurate
  • succinate:gcitrate
  1. Glucoseg 6 - Phosphate:gHigh-energygintermediategformedgbyghexokinase
  2. fructoseg1,g 6 - Biphosphate:gProducedgbygphosphofructokinase
  3. Fructoseg 6 - Phosphate:gconvertedgfromgG6Pgby
  4. Glucoseg 3 - phosphate:gProducedgbygaldolase

16

  1. whatgaregthegTWOgstepsginvolvedgingoxidativegphosphorylation?:g1)goxida- g tiongofghigh-energygendgproductsgNADHgandgFADH2gfromgthegCAC 2)gphosphorylationgandgconversiongofgADPgtogATP
  2. WhichgreactiongofgthegCACgresultsgingthegproductiongofgsuccinate?:gReac- g tiong 5
  3. Whatgaregthegtwogformsgofgfermentation?:galcoholicgfermentationgandglacticg ac idgfermentation
  4. Duringgthegsecondgphasegofgglycolysis,gwhatgenzymegmediatesgthegaddi- g tiongofgagphosphateggroupgtogG3Pgtogproduceg1,3gbiphosphoglycerate?:gtrioseg p hosphategdehydrogenase
  5. ingthegETC,gasgmoregprotonsgentergthegintermembranegspace,gwhatgforceg isg created?:gproton-motivegforce
  6. Reactiong 4 gofgthegCACgresultsgingthegformationgof?
  • SuccinylgCoA

17

  • Fumarate
  • Malate
  • AcetylgCoA:g-gSuccinylgCoA
  1. Agnitrogenousgbasegplusgagdeoxyribosegisgcalledga ,gandgagbasegplusg deoxyribosegplusgagphosphateggroupgisgcalled :gnucleoside,gnucleotide
  2. Describegthegfunctiongofgthegcheckpointsgingthegcellgcycle:gplacesgalonggtheg cy clegwheregprocessesgareghalted,gandgmechanismsgaregdeployedgtogensuregthegcellg isgrea dygtogproceedgtogthegnextgphase
  3. Ingthegprocessgof assortment,gtraitsgareginheritedgtogether:g depen-gdent
  4. Whichgphasegofgthegcellgcyclegisgconsideredgaggrowthgphase? a) G b) cytokinesis c) S-phase D)gM-Phase:gA)gG
  5. Whatgisgcompletegdominance?:gCompletegdominancegoccursgwhengthegphe- gnotypegforgagdominantgtraitgisgexhibitedgregardlessgofgtheggenotype
  6. Whichgcheckpointgofgthegcellgcyclegisgconsideredgtogbegthegmajorgcheck- g point?:gG1gcheckpoint
  7. Theg5'gendgofgthegDNAgterminatesgwithga group,gwhilegtheg3'gendg terminatesgwith group:gphosphate,ghydroxyl
  8. Failuregofgsistergchromatidsgtogseparategproperlygisgcalled :gnon-dis- g junction

lvesgthe

  1. Whatgaregsomegofgthegdifferencesgbetweengbenigngandgmalignantgtu- mors?:gBenigngtumorsghavegnotgdevelopedgthegabilitygtogspreadgtogothergpartsg ofgth egbody.gBenigngtumorsgaregusuallygnotgproblematic,gandgthegmassesgcangbe surgicallygremoved.gMalignantgtumors,gingcontrast,garegcomposedgofgcellsgthatghaveg acc umulatedggeneticgchangesgallowinggthemgtoggrowgwithoutgrestraintgandgtogalsog spreadgt ognewgtissues
  2. Whatgtypegofgbondgoccursgwhengtwognegativelygchargedgatomsgsharegag hy drogengatom?:ghydrogengbond
  3. A isgangorderedgdisplaygofghomologousgchromosomes:gkaryotype
  4. DuringgwhichgphasegofgmeiosisgIgdoesgcrossing-overgoccur?:gprophase
  5. TruegorgFalse:gPyrimidinesgcontaingtwogcarbon- nitrogengrings:gFalse,g purinesgcontaingtwogcarbon-nitrogengrings
  6. TruegorgFalse:gangorganismgisgsaidgtogbeghomozygousgforgagparticulargtraitg ifgt hegallelesgaregthegsame:gtrue
  7. Whichgphasegofgmitosisgisgshowngingthegimagegbelowgandginvog w orkgofgthegenzymegseparase?:ganaphase
  8. whatgisgpleiotropy?:gThegabilitygofgagsingleggenegtoghavegmultiplegphenotypicg eff ects.
  9. Whichgofgthegfollowinggsignalinggtypesgoccursgduringgperiodsgofgdevelop- g mentgspecificallygforgthegsecretiongofggrowthgfactors:gparacrinegsignaling
  10. Explaingthegrolegofgtheghormone-receptorgcomplex:gTheghormone- receptorg complexgcangdiffusegintogthegnucleusgandgbindgtoggenesgongthegcell'sgDNA;ghere

,gtheg complexgwillgturngongorgturngoffgthegtargetggene.

  1. Eachgofgthegfollowinggisgtruegregardinggcellulargreceptorsgexcept:
  • receptorsgingeachgfamilygaregclassifiedgbygtheirglocationgingthegbody
  • mostgreceptorsgareglocatedgongthegoutsidegofgthegcell,ganchoredgingthegplasmag m embrane
  • cellgsurfacegreceptorsgcontaingangextracellulargregion,gangintracellulargregion,g a ndgaghydrophobicgregiongingthegplasmagmembrane
  • intracellulargreceptorsgareglocatedgingthegcytoplasm:g- greceptorsgingeachgfamilyg aregclassifiedgbygtheirglocationgingthegbody
  1. ExplaingthegimportancegofgLigand-to- receptorgspecificity:ghelpsgtogregulateg responsesgingthegtargetgcellgwhilegnotgimpactin ggnon-targetgcellsgthatgmaygbegingtheg sameglocation