Question

in the glycocalyx,________ act like identification tags that enable the distinguish its own cells from foreign and diseased cells. glycoproteins lipoproteins cholesterol molecules phospholipids cell - adhesion molecules

Explanation:

Glycoproteins in the glycocalyx act as identification tags. They have carbohydrate - protein complexes that can be recognized by the immune system to distinguish self from non - self cells, including foreign and diseased cells. Other options like lipoproteins, cholesterol molecules, phospholipids, and cell - adhesion molecules do not primarily serve this identification function in the glycocalyx.

Answer:

A. glycoproteins