BIO 116 EXAM 1 QUESTIONS

BIO 116 EXAM 1 QUESTIONS

Allgvirusesghave:ggeneticgmaterial,gcapsomeres,gangenvelope,gribosomesg-gans-
geneticgmaterialg&gcapsomeres

basalgtaxong-gans-firstgtogdivergegfromgcommongancestor

identifygthegstatementgwhichgCORRECTLYgdescribesgallgclades.
a.gincludegangancestralgspeciesg&gsomegofgitsgdescendants
b.gmembersgareggroupedgtogethergbasedgongmorphology
c.gtheygareggroupsgthatgdon'tgsharegagcommongancestor
d.gtheygaregmonophyleticggroupsg-gans-d.gtheygaregmonophyleticggroups

IdentifygthegstatementgwhichgCORRECTLYgdescribesgevolution.
a.ggeneticgchangesgoverggenerationsgwithingagpopulation
b.gresultsgfromgevolutionarygadaptationsgwithingindividuals
c.goccursgbygnaturalgselection
d.gdecreasesgthegnumbergofgindividualsgwithingagspeciesgbygeliminatinggallelesg-
gans-a.ggeneticgchangesgoverggenerationsgwithingagpopulation

Angelephantgatgthegzooghasgbeengdiagnosedgwithgagviralginfection.gHypothesize
gwhichgofgthegfollowinggisgTRUEgregardinggthegphylogeneticsgofgthegelephantga
ndgthegvirus.
a.gTheygaregsistergtaxagbecausegthegelephantgisginfectedgwithgthegvirus.
b.gTheygformgagpolytomygbecausegthegvirusgisgagdiseasegandgthegelephantgisg
theghost.
c.gThegelephantgisgingthegdomaingEukaryagwhilegthegvirusgisgnotgclassifiedging
agdomain.
d.gThegelephantgandgvirusgaregingthegsamegdomain,gbutgnotgingthegsamegking
dom.g-gans-
c.gthegelephantgisgingthegdomaingEukaryagwhilegthegvirusgisgnotgclassifiedginga
gdomain

IdentifygwhichgofgthegfollowinggdoesgNOTgoccurgduringgtheglysogenicgcyclegofgv
iralgreproduction.
a.gProphagegintegratesgintogbacterialgchromosome
b.gHostgcellglyses
c.gPhagegDNAgreplicated
d.gHostgcellgdividesg-gans-b.ghostgcellglyses

Whygaregmostgvirusesghostgspecific?
ga.gVirusesginfectgthegfirstgcellgthatgtheygencounter.

, b.gWeakerghostgcellsgaregmoregsusceptiblegtogagvirus.
c.gVirusesgonlygrecognizegspecificgreceptorgproteins.
d.gTheginitialgchoicegisgrandom,gbutgoncegagcellgisgchosengitgbecomesgthegpref
erredghost.g-gans-c.gvirusesgonlygrecognizegspecificgreceptorgproteins

Correctlygsequencegtheglyticgcycle.
I.gDestructiongofghostgcellgplasmagmembrane
II.gInteractiongbetweengproteinsgongcapsidgandgreceptorsgonghostgcellgplasmagm
embrane
III.gViralgDNAgentersgcell
IV.gSynthesisgofgcapsomeres
V.gSelf-assemblyg-gans-IIg->gIIIg->gIVg->gVg->gI

Identifygwhichgofgthegfollowinggaregcomponentsgofgprokaryoticgcells.
a.gMitochondria
b.gCellulosegcellgwall
c.gNucleus
d.gRibosomesg-gans-d.gribosomes

Correctlygsequencegthegprocessgofgbinarygfission.
I.gDaughtergcellsgseparate
II.gOrigingofgreplicationgbeginsgreplicatingg
III.gChromosomesgmovegtogoppositegendsgofgcell
IV.gCellgelongatesg-gans-IIg->gIIIg->gIVg->gI

Identifygwhichgofgthegfollowinggcontributegtoghighglevelsgofggeneticgvariationginga
gpopulationgsexuallygreproducinggprokaryotes.
I.gRapidgreproduction
II.gMutation
III.gMeiosis
IV.gTransduction
V.gHeterokaryonsg-gans-a.gI,gII,gIV

Comparegandgcontrastgtransduction,gtransformation,gandgconjugationgingbacteria.g
WhichgstatementsgaregTRUE?
I.gOnlygconjugationginvolvesgagplasmid
II.gAllgthreegaregmechanismsgofgverticalggenegtransfer
III.gAllgthreegaregmechanismsgofghorizontalggenegtransfer
IV.gOnlygtransductiongusesgagphagegtogtransportgDNA
V.gAllgthreegresultgingincreasedggeneticgdiversityg-gans-I,gIII,gIV,gV

ComparegandgcontrastgBacteriagandgArchaea.gWhichgofgthegfollowinggstatements
garegTRUE?
I.gOnlygBacteriaghavegpeptidoglycangcellgwalls.
II.gArchaeagaregmoregoftengassociatedgwithgextremegenvironments.
III.gBacteriagmustgbegaerobic;gArchaeagcangbegaerobicgorganaerobic.