Developmental Biology Exam Questions With Correct Answers
4 keer bekeken 0 keer verkocht
Vak
Developmental Biology
Instelling
Developmental Biology
Developmental Biology Exam Questions
With Correct Answers
The bicoid protein gradient results from: - answerthe diffusion of bicoid protein across the
syncytial embryo
. Which of the following is true about maternal effect genes such as bicoid - answerembryo
maternal mRNA genotype is same as m...
Developmental Biology Exam Questions
With Correct Answers
The bicoid protein gradient results from: - answer✔the diffusion of bicoid protein across the
syncytial embryo
. Which of the following is true about maternal effect genes such as bicoid - answer✔embryo
maternal mRNA genotype is same as mother genotype
The bicoid gradient is not representative of morphogen gradients observed in - answer✔The
bicoid gradient is not representative of morphogen gradients observed in
How does the mother place bicoid and nanos mRNAs at opposing ends of the
drosophila oocyte? - answer✔bicoid mRNA is transported to the anterior end along
microtubules
Which of the following is true about dorsal-ventral patterning in the drosophila
oocyte? - answer✔SOG antagonizes Dpp signaling
Which of the following is NOT true about gap gene expression: - answer✔it may be inhibited
by pair-rule genes
Each stripe of pair-rule gene expression is activated by: - answer✔b. its own enhancer
c. transcriptional activators and repressors
e. b and c
Which of the following supports the position of Hunchback (Hb) upstream of the
gap gene Kruppel (Kr) and downstream of Bicoid (Bcd) during drosophila early
development? - answer✔all of the above
Which of these homeotic transformations may result from a Hox gene mutation? - answer✔arm
into leg
Which of these propositions is consistent with spatiotemporal colinearity of Hox
Which of the following is NOT true about gastrulation? - answer✔c. mesoderm stays outside
Which of the following is true about gastrulation? - answer✔c. cells passing through the
blastopore first end up most anterior
Which of the following is NOT true about the blastopore? - answer✔its initial position
indicates the ventral side of the embryo
Which of the following is NOT true about embryonic tissues? - answer✔mesenchymal cells are
arranged as a sheet
Which of the following is NOT true about the cytoskeleton? - answer✔. microtubules growth
can be bidirectional
Which of the following is true? - answer✔radial cell-cell intercalations contribute to epiboly
Which of the following is true about specification of the germ layers? - answer✔Sox17
specifies the endoderm fate
Which of the following is true about specification of the dorsal-ventral axis in
the frog embryo? - answer✔B-catenin is a transcription factor that activates dorsal fates
Which of the following describe the requirements for Nieuwkoop center
formation: - answer✔a. nuclear B-catenin
b. VegT
Which of the following describe the requirements for Spemann organizer
formation: - answer✔a. nuclear B-catenin
c. reception of Nodal-related ligands (Vg1 and Xnr)
e. a and c
Vertebrate embryos develop following which of the following stage orders -
answer✔fertilization, cleavage, gastrulation, organogenesis
Which of the following statements describing the relationship between cell
commitment and cell totipotency is WRONG : - answer✔committment is an abrupt process that
takes place just prior to differentiation
Voordelen van het kopen van samenvattingen bij Stuvia op een rij:
Verzekerd van kwaliteit door reviews
Stuvia-klanten hebben meer dan 700.000 samenvattingen beoordeeld. Zo weet je zeker dat je de beste documenten koopt!
Snel en makkelijk kopen
Je betaalt supersnel en eenmalig met iDeal, creditcard of Stuvia-tegoed voor de samenvatting. Zonder lidmaatschap.
Focus op de essentie
Samenvattingen worden geschreven voor en door anderen. Daarom zijn de samenvattingen altijd betrouwbaar en actueel. Zo kom je snel tot de kern!
Veelgestelde vragen
Wat krijg ik als ik dit document koop?
Je krijgt een PDF, die direct beschikbaar is na je aankoop. Het gekochte document is altijd, overal en oneindig toegankelijk via je profiel.
Tevredenheidsgarantie: hoe werkt dat?
Onze tevredenheidsgarantie zorgt ervoor dat je altijd een studiedocument vindt dat goed bij je past. Je vult een formulier in en onze klantenservice regelt de rest.
Van wie koop ik deze samenvatting?
Stuvia is een marktplaats, je koop dit document dus niet van ons, maar van verkoper Brightstars. Stuvia faciliteert de betaling aan de verkoper.
Zit ik meteen vast aan een abonnement?
Nee, je koopt alleen deze samenvatting voor €11,05. Je zit daarna nergens aan vast.
