The human genome encodes transcription factors that contain an acidic activation domain that is phosphorylated in response to increased levels of the second messenger cAMP. Which one of the following contains one of these activation domains?

TLS Online TPP Program

#Question id: 1294

#Unit 4. Cell Communication and Cell Signaling

Dystroglycan is a large glycoprotein that binds to dystrophin in muscle cells.  It is also present in other cells and can also bind to:

a.  laminin.

b.  the virus that causes Lassa fever.

c.  the bacterium that causes leprosy.

TLS Online TPP Program

#Question id: 1295

#Unit 4. Cell Communication and Cell Signaling

What signal is released by endothelial cells to recruit circulating leukocytes?

TLS Online TPP Program

#Question id: 1296

#Unit 4. Cell Communication and Cell Signaling

People with a defect in the synthesis of the integrin β2 subunit exhibit reduced:

TLS Online TPP Program

#Question id: 1297

#Unit 4. Cell Communication and Cell Signaling

What effect might an injection of RGD peptide have on tumor cells moving through the blood/lymph system?

TLS Online TPP Program

#Question id: 1298

#Unit 4. Cell Communication and Cell Signaling

As fibroblasts form a three-dimensional structure in contact with the ECM, the cells bound to ECM:

TLS Online TPP Program

#Question id: 1299

#Unit 4. Cell Communication and Cell Signaling

Pectins and hyaluronic acid are both: