The embryonice layer that forms the skin and nervous tissue is the?

The embryonic layer that forms the skin and nervous tissue is the ectoderm.

Answer

However, a given hormone usually affects only a limited number of cells, which are called target cells. ... In other words, a particular cell is a target cell for a hormone if it contains functional receptors for that hormone, and cells which do not have such a receptor cannot be influenced directly by that hormone.

Explanation

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