More cards in this set

Variability is where the pathogens has different...

By what process do B lymphocytes divide by

An external barrier to pathogens

What do lysosomes inject into the phagosome

Histamine causes this to happen to blood vessels at the site of an infection

Protein molecules on the surface membrane of a cell

Antibodies have two regions, the constant and...

Antibodies have to chains, light and...