The generation and maintenance of a membrane electric potential requires which of the following:

a. active pumping of ions       

b. ion-specific membrane channel proteins

c. ATP                                    

d. a generally permeable membrane

TLS Online TPP Program

#Question id: 1716

#Unit 4. Cell Communication and Cell Signaling

Expression of a CD8 α-α homodimer is characteristic of:

TLS Online TPP Program

#Question id: 1717

#Unit 4. Cell Communication and Cell Signaling

Which of the following functions are macrophages unable to carry out?

TLS Online TPP Program

#Question id: 1718

#Unit 4. Cell Communication and Cell Signaling

When Langerhans' cells differentiate into fully mature dendritic cells (DCs) they:

TLS Online TPP Program

#Question id: 1719

#Unit 4. Cell Communication and Cell Signaling

Langerhans' cells are found in:

TLS Online TPP Program

#Question id: 1720

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE of lymphocytes?

TLS Online TPP Program

#Question id: 1721

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE of follicular dendritic cells?