Binding of an eosinophil to an antibody-coated parasitic worm involves binding of the antibody's stem region to a(n) .

plasma membrane protein on the eosinophil's surface

Explanation:

Eosinophils sometimes called acidophils are a part of the immune system. The responsible for fighting viral infections and parasites. Eosinophils expresses IgE- binding protein and a protein toxin, cathepsin on the plasma memberane surface along with the SNARE complexes.

Therefore, binding of an eosinophil to an antibody-coated parasitic worm involves binding of the antibody's stem region to a plasma membrane protein on the eosinophil's surface.

the dark variety, as they are not visible on the dark tree barks

explanation:

a and c are the answeres