Biology

Elisa Lutz

4 August, 20:59

3. Antibodies fight infections by

(a) eating microbes before they can attack cells.

(b) binding to antigens and rendering them inactive or harmless.

(c) injectiſg cells with a harmless form of an otherwise harmful virus.

(d) creating white blood cells.

4. Immunity occurs when the system recognizes a foreign substance and