#Question id: 1562
#Section 2: General Biology
________ are cells of the mammalian innate immune response that help destroy tumors.
#Question id: 1563
#Section 2: General Biology
A nonfunctional CD4 protein on a helper T cell would result in the helper T cell being unable to ________.
#Question id: 1564
#Section 2: General Biology
When antibodies bind antigens, the clumping of antigens results from ________.
#Question id: 1565
#Section 2: General Biology
Which of the following are symptoms of inflammation that might appear in such art?
#Question id: 1566
#Section 2: General Biology
Histamines trigger dilation of nearby blood vessels, and increase in their permeability. Which of the signs of inflammation are therefore associated with histamine release?
#Question id: 1567
#Section 2: General Biology
Which of the following cell types are responsible for initiating a secondary immune response?