Answer:
That the material can be mixed with the original tissue
Explanation:
The biomaterial has the idea to be mixed with the original tissue, due is going to grow (if it is based in cells) or is going to attach to the biological tissue, so the H&E method can be confused. The hematoxylin is going to stain the nuclei of the cells meanwhile the eosin is going to stain the extracellular matrix and cytoplasm, so, if the biomaterial is mixed in the original tissue, can be confused the exactly boundary among the biomaterial and the biological tissue.
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It's 100% not B.... but other than that the organism must be provided. protozoans use flagellum (whip-like structure), amoeba use pseudopods (false feet), and cilia (hair-like structure) are used for eukaryotic cells.
<span>Animals cannot worship the gods and are destined to be food for humans.</span>
Lipids serves as the fluid interface between the intracellular and extracellular environments