Which of the following cell types has NO nucleus?
D)All of these cells lack a nucleus.
Which of the following is TRUE about cytokines?
A)They are proteins.
B)They play an important role in immunity.
C)They play a role in the growth of stem cells.
D)They are proteins that play an important role in immunity and the growth of stem cells.
The secondary lymphoid organs consist of the following EXCEPT
B)mucosal-associated lymphoid tissue (MALT).
D)All of these organs are secondary lymphoid organs.
Which of the following can cause allergy symptoms and inflammation by degranulation?