Exam (elaborations)
UVic Biol 467 Midterm I Exam Questions and Answers (Graded A)
- Course
- Institution
UVic Biol 467 Midterm I Exam Questions and Answers
[Show more]
Content preview
UVic Biol 467 Midterm I Exam Questionsand Answers
Gastrulation ii- iiCorrect iiAnswers ii-blastula ii->gastrula iiwith iithe iiformation iiof iithree
iiembryonic iilayers
Dorsal iiblastopore iilip ii- iimesoderm iiinvolutes iiinto iithe iiembryo iito iiunderly iithe
iiectoderm iiin iithe iianimal iipole. iidisplaces iithe iiblastocoel iicavity
Vegetal iiPole ii- iiCorrect iiAnswers ii-Yolk, iiprovides iifood iisource, iidevelops iiinto iithe iigut
Ectoderm ii- iiCorrect iiAnswers ii-outermost iigerm iilayer; iiproduces iisense iiorgans,
iinerves, iiand iiouter iilayer iiof iiskin
Blastula/early iigastrula:
- iiDorsal iineural iiplate
- iiVentral iiepidermis
Mesoderm ii- iiCorrect iiAnswers ii-- iiDerived iifrom iitissue iithat iiinvoluted iiin iigastrulation
- iiBecomes iimuscle, iiblood
In iigastrula iiincludes: iinotochord, iimesenchyme, iiventral iimesoderm
Endoderm ii- iiCorrect iiAnswers ii-Becomes iithe iigut
Zebra iiFish ii- iiCorrect iiAnswers ii-- iiEasy iito iigenetically iimanipulate
- iiEasy iito iirear
- iiFast iigeneration iitime
- iiTransparent iiembryo's iiin iiearlier iistages ii(good iifor iifluorescence iimicroscopy)
Nematode: iiC. iielegans ii- iiCorrect iiAnswers ii-Simple iiorganization
Mice ii- iiCorrect iiAnswers ii-Closer iito iiour iineural iiorganization
Xenopus iiLaevis ii- iiCorrect iiAnswers ii-- iiEasy iito iicollect iieggs iiand iifertilize iithem
- iiSynchronous iidevelopment iiof iithousands iiof iiembryos
,Neural iiPlate iiStage ii- iiCorrect iiAnswers ii-- iiEnd iiof iigastrulation
- iiNeural iisystem iiis iia iiflat iisheet ii(neural iiplate iistage)
Epiboly ii- iiCorrect iiAnswers ii-General iiterm iifor iicells iiclosing iiover iian iiarea
Blastocoel ii- iiCorrect iiAnswers ii-Becomes iithe iibody iicavity
Neurulation ii- iiCorrect iiAnswers ii-- iiOccurs iiafter iigastrulation
- iiFormation iiof iithe iineural iitube
Notochord ii- iiCorrect iiAnswers ii-- iiMost iidorsal iimesoderm iistructure
- iiDoesn't iimake iiup iiany iispecific iistructure iiin iiadults
Archenteron ii- iiCorrect iiAnswers ii-The iiendoderm-lined iicavity, iiformed iiduring
iigastrulation, iithat iidevelops iiinto iithe iidigestive iitract iiof iian iianimal.
Neurula ii- iiCorrect iiAnswers ii-embryonic iistage iiwhen iithe iineural iitube iiis iiforming
When iiare iithe iicells iifated? ii- iiCorrect iiAnswers ii-When iithe iidorsal iilip iiis iiforming
Early iigastrula iistage: iiIf iiyou iitransplant iipresumptive iineural iiectoderm iiinto iian iiarea
iifated iito iibecome iiepidermis, iiit iiwill iibecome ii_______. ii- iiCorrect iiAnswers ii-Epidermis
iibecause iithe iidorsal iilip iihas iinot iiinvoluted iiyet
Late iigastrula iistage: iiIf iiyou iitransplant iipresumptive iineural iiectoderm iiinto iian iiarea
iifated iito iibecome iiepidermis, iiit iiwill iibecome ii________. ii- iiCorrect iiAnswers ii-neural
iiplate iitissue
The iidefault iistate iiof iiectoderm iiis ii______. ii- iiCorrect iiAnswers ii-Epidermis
When iiare iicells iidetermined? ii- iiCorrect iiAnswers ii-The iilate iigastrula iistage
Animal iiCap ii- iiCorrect iiAnswers ii-In iiamphibians, iithe iiroof iiof iithe iiblastocoel ii(in iithe
iianimal iihemisphere)
Default iistate iiis iiepidermis
Dorsal iilip iitransplantation iiexperiment ii- iiCorrect iiAnswers ii-Transplant iidorsal
iimesoderm iito iifuture iiventral iiside iiof iithe iiembryo ii(presumptive iiepidermis) iiin iia iihost
iiwhere iigastrulation iiis iijust iibeginning
What iidid iithe iiSpemann's iiorganizer iitransplant iiexperiment iishow? ii- iiCorrect iiAnswers
ii-- iiTransplanted iidorsal iilip iiinitiated iia iisecondary iisite iiof iiinvagination ii(secondary
iiaxis)
- iiDorsal iitissue iicould iiinitiate iigastrulation
, - iiMuch iiof iithe iineural iitube iiwas iimade iiof iihost iitissue ii(what iiwas iifated iito iibecome
iiepidermis). iiThis iishows iithe iitransplanted iimesoderm iiwas iiable iito iiinduce iineural
iitissue ii(beta-galactosidase iireporter iiin iidonor iitissue)
LiCl iigenerates iiembryos iithat iiare iicompletely ii_________ ii- iiCorrect iiAnswers ii-
dorsalized ii(lots iiof iineural iitissue ii& iidorsal iiendoderm)
What iidid iithey iiuse iito iidiscover iinoggin iiin iidorsalized iiembryos? ii- iiCorrect iiAnswers ii-
subtractive iihybridization iito iiidentify iimRNAs iienriched iiin iidorsal iitissue
In iisitu iihybridization iilooks iiat ii______ ii- iiCorrect iiAnswers ii-mRNA
The iisteps iiin iiin iisitu iihybridization ii- iiCorrect iiAnswers ii-1. iiPreserve iithe iitissue ii& iilock
iiit iiin iiplace
2. iiSpecific iiprobe iicomplimentary iito iithe iimRNA iiof iiinterest ii(base iipairing)
3. iiIncubate iisample iiwith iiantibodies iithat iirecognize iithe iiDIG ii(antibody iihas iialkaline
iiphosphatase ii-> iimakes iiblue iiprecipitate iiin iipresence iiof iisubstrate)
Noggin ii- iiCorrect iiAnswers ii-- iiBMP iiinhibitor ii(prevents iiligand iibinding)
- iinot iiexpressed iiin iineural iiectoderm
BMP ii- iiCorrect iiAnswers ii-bone iimorphogenic iiprotein
- iiTGF iibeta iisuperfamily
TGF iiBeta iipathway ii- iiCorrect iiAnswers ii-1. iiTGF iibeta iisuperfamily iiligand
2. iidimer iireceptor
3. iismad iiactivation ii(phosphorylation iiof iismad ii2,3)
4. iismad iidimerization ii(with iismad ii4)
5. iiactivation/repression iiof iigene iiexpression
Noggin iiprevents iiBMPs iifrom iibinding iithe iireceptor
When iiyou iiadd iinoggin iito iian iianimal iicap iiin iiisolation iiit iibecomes iiwhat? ii- iiCorrect
iiAnswers ii-Neural iitissue
The iiorganizer ii- iiCorrect iiAnswers ii-- iisource iiof iiBMP iiinhibitors
- iiinduced iiby iiNieuwkoop iicentre ii(dorsal iiendoderm) iiduring iithe iiearly/mid-blastula
iistage ii(even iifertilization) ii[wnt-signalling, iibeta-catenin]
wnt iisignalling iipathway ii- iiCorrect iiAnswers ii-wnt iibinds iifrizzled ii-> iiactivates
iidisheveled ii-> iiinhibits iiGSK3 ii-> iiallowing iinuclear iilocalization iiof iibeta-catenin
GSK-3 iinormally iiinhibits iibeta-catenin
_____ iiand ii_____ iiare iifunctionally iiredundant iiin iibrain iidevelopment iiin iimice ii-
iiCorrect iiAnswers ii-noggin, iichordin
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller millyphilip. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81113 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now