I thinks it's B. Molecular Receptor, but I am not sure.
Each tissue is an organized assembly of cells held together by cell-cell (more...) In epithelial tissue, by contrast, cells are tightly bound together into sheets called epithelia. The extracellular matrix is scanty, consisting mainly of a thin mat called the basal lamina, which underlies the epithelium.
Answer:
Broca's area is located in the frontal lobe :)
It would be A, they both have different properties, as they say it, different functions.
