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Developmental Biology - Chapter 2 questions and verified correct answers

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Developmental Biology - Chapter 2 questions and verified correct answers

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Course Developmental Biology - Chapter 2

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Developmental Biology - gh gh

Chapter 2 questions and verified correct
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Differentiationgh-ghcorrectghanswers-
theghprocessghbyghwhichghanghunspecializedghcellghbecomesghspecializedghintoghoneghofghtheghm
anyghcellghtypesghthatghmakeghupghtheghbody.
Commitmentgh-ghcorrectghanswers-
describesghaghstateghinghwhichghaghcell'sghdevelopmentalghfateghhasghbecomeghrestrictedghevengh
thoughghitghisghnotghyetghdisplayingghovertghchangesghinghcellularghbiochemistryghandghfunction.
Specificationgh-ghcorrectghanswers-
theghfirstghstageghofghcommitmentghofghcellghorghtissueghfateghduringghwhichghtheghcellghorghtissueghi
sghcapableghofghdifferentiatingghautonomouslygh(i.e.,ghbyghitself)ghwhenghplacedghinghanghenviron
mentghthatghisghneutralghwithghrespectghtoghtheghdevelopmentalghpathway.ghAtghtheghstageghofghsp
ecification,ghcellghcommitmentghisghstillghcapableghofghbeingghreversed.
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theghstageghofghcommitmentghfollowingghspecification;ghtheghdeterminedghstage,ghassumedghirr
eversible,ghisghwhenghaghcellghorghtissueghisghcapableghofghdifferentiatedghautonomouslyghevenghw
henghplacedghintoghaghnon-neutralghenvironment.
AutonomousghSpecificationgh-ghcorrectghanswers-
aghmodeghofghcellghcommitmentghinghwhichghtheghblastomereghinheritsghaghdeterminant,ghusuallygh
aghsetghofghtranscriptionghfactorsghfromghthegheggghcytoplasm,ghandghtheseghtranscriptionghfactor
sghregulateghgeneghexpressionghtoghdirectghtheghcellghintoghaghparticularghpathghofghdevelopment.
MorphogeneticghDeterminantsgh-ghcorrectghanswers-
transcriptionghfactorsghorghtheirghmRNAsghthatghwillghinfluenceghtheghcell'sghdevelopment.
SyncytialghSpecificationgh-ghcorrectghanswers-
theghinteractionsghofghnucleighandghtranscriptionghfactors,ghwhichgheventuallyghresultghinghcellghsp
ecification,ghthatghtakeghplaceghinghaghcommonghcytoplasm,ghasghinghtheghearlyghDrosophilaghemb
ryo.
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committedghtoghaghgivenghfate.ghAghcellghisghdeterminedghifghitghmaintainsghitsghdevelopmentalghma
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CytoplasmicghDeterminationghFactorsgh-ghcorrectghanswers-
factorsghfoundghinghtheghcytoplasmghofghaghcellghthatghdetermineghcellghfate.ghExample:ghgradients
ghofghdifferentghcytoplasmicghdeterminationghfactorsghthatghdictateghcellghfateghalongghtheghanterio

r-posteriorghaxisghareghfoundghinghtheghsyncytialghblastodermghofghtheghDrosophilaghembryo.
TranscriptionghFactorsgh-ghcorrectghanswers-
aghproteinghthatghbindsghtoghDNAghwithghpreciseghsequenceghrecognitionghforghspecificghpromoter
s,ghenhancers,ghorghsilencers.
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entrations,ghinghthatghcellsghexposedghtoghhighghlevelsghofghaghmorphogenghwillghactivateghdifferen
tghgenesghthanghthoseghexposedghtoghlowerghlevels.

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Number of pages: 2
Written in: 2024/2025
Type: Other
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