Neurotransmitters can affect postsynaptic cells by ________.

I) initiating signal transduction pathways in the cells

II) causing molecular changes in the cells

III) altering ion channel proteinsIII) altering ion channel proteins

IV) altering the permeability of the cells

TLS Online TPP Program

#Question id: 1759

#Unit 4. Cell Communication and Cell Signaling

What is the major long-term source of a foreign antigen in the body?

TLS Online TPP Program

#Question id: 1760

#Unit 4. Cell Communication and Cell Signaling

Effector memory T-cells can be distinguished from the central memory T-cells from which they arise by:

TLS Online TPP Program

#Question id: 1761

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE of cytokines?

TLS Online TPP Program

#Question id: 1762

#Unit 4. Cell Communication and Cell Signaling

What do Th1 cells secrete?

TLS Online TPP Program

#Question id: 1763

#Unit 4. Cell Communication and Cell Signaling

Which of the following cytokines can mediate release of acute phase proteins from the liver?

TLS Online TPP Program

#Question id: 1764

#Unit 4. Cell Communication and Cell Signaling

Which of the following is NOT a feature of germinal center B-cells?