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Bio 93 Final Exam Practice Questions and Answers
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Bio 93 Final Exam Practice Questions and Answers
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Bio 93 Final Exam Practice Questionsand Answers
1)Researchers iiwere iiinvestigating iithe iieffects iiof iibicoid iiin iifruit iifly iidevelopment. iiIn
iione
experiment, iithey iitook iia iinormally iideveloping iiembryo iiand iiinjected iibicoid iimRNA
iiinto iithe
posterior iiend iiof iithe iiembryo. iiWhat iiresult iiwould iithey iimost iilikely iiobserve?
A. iiThe iiembryo iiwould iidevelop iiwith iia iinormal iiposterior iiend iiand iiposterior iistructures
iion iithe
anterior iiend
B. iiThe iiembryo iiwould iidevelop iiwith iia iinormal iianterior iiend iiand iianterior iistructures
iion iithe
posterior iiend
C. iiThe iiembryo iiwould iidevelop iiwith iianterior iistructures iion iithe iiposterior iiend iiand
iiposterior
structures iion iithe iianterior iiend ii- iiAnswers ii-B
2) iiInebriated ii(drunk) iipeople iihave iidifficulty iitouching iitheir iinoses iiwith iitheir iieyes
iiclosed. iiWhich iipart
of iithe iibrain iihas iibeen iimost iiimpaired iito iibring iiabout iithis iidifficulty?
A. iiHypothalamus
B. iiCerebellum
C. iiCerebral iicortex
D. iiBroca's iiarea
E. iiLimbic iisystem ii- iiAnswers ii-B
3) iiRefer iito iithe iidrawings iiin iithe iifigure iibelow iiof iia iisingle iipair iiof iihomologous
iichromosomes iias iithey
might iiappear iiduring iivarious iistages iiof iieither iimitosis iior iimeiosis: iiWhich iidiagram
iirepresents
anaphase iiI iiof iimeiosis?
A. iiI
B. iiII
C. iiIV
D. iiV ii- iiAnswers ii-A
, 4) iiMuscle iicells iidiffer iifrom iinerve iicells iimainly iibecause iithey
A. iiExpress iidifferent iigenes
B. iiContain iidifferent iigenes
C. iiUse iidifferent iigenetic iicodes
D. iiHave iiunique iiribosomes ii- iiAnswers ii-A
5) iiAssume iithe iiDNA iicontent iiof iia iidiploid iicell iiin iithe iiG1 iiphase iiof iithe iicell iicycle iiis
iix. iiThen iithe iiDNA
content iiof iithe iisame iicell iiat iimetaphase iiof iimeiosis iiI iiwill iibe ii____ iiand iithe iiDNA
iicontent iiof iia iisingle
cell iiat iimetaphase iiof iimeiosis iiII iiwill iibe_____.
A. ii2x, iix
B. ii0.5x, ii0.25x
C. iiX, ii2x
D. ii0.5x, ii2x
E. ii2x, ii0.5x ii- iiAnswers ii-A
6) iiHerbicides iiare iioften iiused iito iikill iiweeds iiand iiunwanted iiplants iifrom iifarmland.
iiResearchers
were iiinvestigating iinew iitypes iiof iiherbicides iiand iiassessed iihow iiwell iithey iikilled
iiweeds. iiThe iiresearchers
found iithat iithe iiherbicides iiwere iidirectly iiacting iion iithe iipart iiof iiphotosynthesis
iiinvolved iiwith iiwater
oxidation. iiWhat iipart iiof iiphotosynthesis iiwere iithe iiherbicides iiacting iion?
A. iiPhotosystem iiI
B. iiThe iielectron iitransport iichain iibetween iiphotosystems iiI iiand iiII
C. iiPhotosystem iiII
D. iiThe iielectron iitransport iichain iiafter iiphotosystem iiII
E. iiThe iiCalvin iicycle ii- iiAnswers ii-C
7) iiWhich iiof iithe iifollowing iistatements iiINCORRECTLY iidescribes iian iiaspect iiof iian
iiindicated iipoint iiin iithe
cell iicycle ii(with iiM iiphase iibeing iimitosis)?
A. iiDuring iiS iiphase, iithe iiDNA iiof iieach iichromosome iiis iireplicated.
B. iiEach iichromosome iiduring iitelophase iihas iia iisingle iidouble-stranded iiDNA
iimolecule.
C. iiAt iithe iibeginning iiof iianaphase, iithe iikinetochore iion iithe iichromosome iiloses iiits
iiattachment iito
microtubules iiof iithe iispindle.
D. iiDuring iiG1, iithe iiDNA iiin iithe iinuclear iichromosomes iiis iinot iiall iihighly iicondensed.
E. iiDuring iimetaphase, iieach iichromosome iiconsists iiof iitwo iidouble-stranded iiDNA
iihelices iilinked
together iiat iia iicentromere. ii- iiAnswers ii-C
8) iiWhich iistatement iiabout iimembrane iipotential iiand iiaction iipotentials iiis iiFALSE?
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