BIOLOGY 190L FINAL EXAM QUESTIONS AND CORRECT ANSWERS

BIOLOGY 190: FINAL EXAM QUESTIONS
AND CORRECT ANSWERS
Theabondabetweenatwoawateramoleculesaisacalled
(a)aIonic
(b)aCovalent
(c)aHydrogena
(d)aHydrophobica-aans--Hydrogen

Proteinsaareamadeaofasubunitsacalled
(a)aEzymes
(b)aCarbohydrates
(c)aAminoaacids
(d)aMonosaccharidesa-aans--AminoaAcids

Whichaisatheametricaprefixafora10^-6?
(a)aFemto
(b)aPico
(c)aMicro
(d)aNanoa-aans--Micro

Whichaofatheafollowingaisanotaaatypeaofabiomolecule?
(a)aLipid
(b)aMineral
(c)aProtein
(d)aCarbohydratesa-aans--Mineral

Whichaofatheseaelementsaisainatheagroupathatamakesaupaovera90%aofayourabody?
(a)aNitrogen
(b)aNeon
(c)aIron
(d)aEinsteiniuma-aans--Nitrogen

____________aareaversionsaofatheaelementsathatacontainadifferentanumbersaofaneutrons.a
-aans--Isotopes

___________aisatheaelementathataformsafourastableabonds,acanabondawithaitself,aandaform
samostaorganicacompounds.a-aans--Carbon

Theatypeaofacovalentabondawhenaelectronsaareanotaequallyasharedabetweenaatomsaisacall
eda___________.a-aans--Polar

,________________aisatheapropertyaofawaterathatagivesariseatoasurfaceatension.a-aans--
Cohesion

Theametricaprefixafora10^3aisa____________.a-aans--Kilo

__________________aisatheamodelathatadescribesatheaplasmaamembraneaofabeingamad
eaofamostlyaphospholipidsawithaproteinsafloatingainatheaplaneaofatheamembrane.a-aans--
FluidaMosaic

TwoaofatheaorganellesainatheaEndomembraneaSystemaarea______________aanda______
__________.a-aans--Golgiabody,aendoplasmicareticulum

_________________aareatheaorganellesathataserveaasatheapowerhouseaofatheacell.a-aans-
-Mitochondria

Aasignalasequenceainatheainterioraofaaaproteinaindicatedainatheafinaladestinationaofathataprot
einaisatoathea______________.a-aans--Nucleus

Theatypeaofatransportathatamovesaaaspecificamoleculeaacrossatheaplasmaamembraneathata
doesanotarequireaenergyaisacalled__________________.a-aans--Diffusion

Phospholipidsaareamadeaofaglycerol,aaapolaraphosphateagroup,aandatwoanonpolar______
______.
(a)aMolecules
(b)aPhosphodiesterabonds
(c)aFattyaacids
(d)aATPsa-aans--FattyaAcids

EndosymboticaTheoryaappliesato:
(a)aAllaorganelles
(b)aEndomembraneaSystem
(c)aMitochondriaaandachloroplastsa
(d)aRoughaendoplasmicareticulumaandaribosomesa-aans--MitochondriaaandaChloroplasts

Theaorganelleathataisahighlyaacidicaandacontainsaenzymesathatacanadegradeatheacell____
________
(a)aChromosome
(b)aER
(c)aLysosome
(d)aGolgia-aans--Lysosome

Aavesicleathataoriginatedafromatheagolgiaandafusesawithatheacellamembranearepresentsa__
_________
(a)aAnti-budding
(b)aEndocytosis

, (c)aExocytosisa
(d)aEliminationa-aans--Exocytosis

Whichaofatheafollowingaisanotaaafeatureafoundainaallacells?
(a)aChromosome
(b)aCytoplasm
(c)aMitochondria
(d)aCellaoraplasmaamembrane
(e)aRibosomesa-aans--Mitochondria

Theastoryaofatheathreealayersaofagastrulation.a

Ialoveabeingaoutside,asensingamyaenvironment.aIaama_______aderma-aans--Ecto

Theastoryaofatheathreealayersaofagastrulation.

Iaamaaafoodie,aIaloveadigestingait,aabsorbingaitaandaeliminatingait.aIaama_________aderm.a-
aans--Endo



Theastoryaofatheathreealayersaofagastrulation.

Exerciseaisamyathing.aIadevelopatoabeastrongaandaactive,aallowingaforamovement.aIaama___
_________aderma-aans--Meso

___________________aisaaaproteinathataaddsaaaphosphateagroupatoaanotheraprotein.a-
aans--Kinase



_____________________aisathearegionaofatheaDNAathataaatranscriptionafactorabinds.a-
aans--Enhancer



Theagenericatypeaofacellasignalingathataoccursawhenaaaligandabindsatoaaareceptoraonasame
acellathatamadeathealigandaisacalleda_____________.a-aans--Autocrine



Membraneareceptorsausuallyabindaligandsathataarea_____________awitharespectatoawater
.a-aans--Hydrophilic

Cellasignalingainvolvedaligandsaandareceptors.aForaaaligandatoabeaeffective,aitamustabindath
eareceptoraandatheareceptorathenachangesa
(a)aPolarity
(b)aShape
(c)aFunction
(d)aCurrencya-aans--Shape

TheaMarathonaMouseavideoaweawatchedainvolvedaaadrugathatastimulatedatheaproductiona
of:
(a)aMoreaslowatwitchamuscles