A cell that high level of β-catenin with high concentration of nodal related protein and also have vegT and vg1 expression that type of cell undergo to the formation of which structure?

TLS Online TPP Program

#Question id: 4196

#Unit 3. Fundamental Processes

The role of EF-Tu in bacterial protein synthesis is

TLS Online TPP Program

#Question id: 15303

#Unit 4. Cell Communication and Cell Signaling

Neurofibromatosis, a benign tumor of the sheath cells that surround nerves, is caused by

a.  Loss of both alleles of NF1

b.  Mutation in RAS GAP-type protein

c.  A single mutant NF1 allele

d.  Mutation in SRC protein

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#Question id: 28268

#Unit 5. Developmental Biology

Resact from Arbacia egg jelly binds to its receptor on the sperm, which activates the receptor is___ 

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#Question id: 1822

#Unit 4. Cell Communication and Cell Signaling

Binding of platelet activating factor (PAF) to its receptor on the neutrophil:

TLS Online TPP Program

#Question id: 7020

#Unit 5. Developmental Biology

The pushing out of neural crest cells from the dorsal neural tube appears to be facilitated by fellow neural crest cells. The phenomenon known as: