Our entire body is covered with a protective layer of epithelial cells. The layer of epithelial cells acts as the first line of defense against invaders from the exterior. Skin cells are constantly dying. Additionally, they are frequently damaged, and this could lead to gaps in the epithelial barrier. This protective layer of cells is critical to homeostasis. How does our body counter epithelial cell death and damage to maintain homeostasis?

ability to bond woth oxygen

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above