The restriction enzyme BglIl has the recognition sequence (A*GATCT) and cuts between the A and the G as indicated by the asterisk. DNA cut by which of the following restriction enzymes (given with their recognition sequences and cut sites) could be cloned into a plasmid cut with BgIII? 

TLS Online TPP Program

#Question id: 1293

#Unit 4. Cell Communication and Cell Signaling

NCAMs, a group of cell-adhesion proteins belonging to the Ig superfamily. Which of the following is not a property of NCAM?

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: