knowledge Flashcards
1
Q
nodal signal creates what
A
endoderm
2
Q
what is activated by nodal?
A
TGFbeta
3
Q
mesoderm cells can be activated by what (high lvls of what and low lvls of what)
A
low levels of TGFbeta
high levels of WNT pathway
4
Q
in frogs, TGFbeta is expressed in the region opposite to where?
A
neural tube is going to form
5
Q
A
