Microtubules are polymers of the____

TLS Online TPP Program

#Question id: 31039

#Unit 4. Cell Communication and Cell Signaling

Phosphorylation of tyrosine in activation loop leads to a conformational change in the activation loop that unblocks the kinase active site for either ATP or the substrate by:

Reducing the Kd 

Increasing the Kd

Reducing the affinity

Increasing the affinity

Which of the following combination is correct?

TLS Online TPP Program

#Question id: 31040

#Unit 4. Cell Communication and Cell Signaling

HER3 is an EGF receptor that can bind ligands but lacks:

TLS Online TPP Program

#Question id: 31041

#Unit 4. Cell Communication and Cell Signaling

Which of the following statement is incorrect regarding HER2?

TLS Online TPP Program

#Question id: 31042

#Unit 4. Cell Communication and Cell Signaling

Monomeric Ras proteins are GTPase “switch” proteins. Ras activation is accelerated by: 

TLS Online TPP Program

#Question id: 31043

#Unit 4. Cell Communication and Cell Signaling

An SH2 domain is able to bind to a short target sequence of polypeptide that contains:

TLS Online TPP Program

#Question id: 31044

#Unit 4. Cell Communication and Cell Signaling

In which manner Ras is different from Gα proteins?