For Each of the Following Sentences, Fill in the Blanks

For each of the following sentences, fill in the blanks with the best word or phrase selected from the list below.Not all words or phrases will be used; each word or phrase should be used only once.
amplification G protein phosphorylation
contact-dependent K⁺ channel receptor
endocrine neuronal target
epithelial paracrine
Cells can signal to each other in various ways.A signal that must be relayed to the entire body is most efficiently sent by __________ cells, which produce hormones that are carried throughout the body through the bloodstream.On the other hand, __________ methods of cell signaling do not require the release of a secreted molecule and are used for very localized signaling events.During __________ signaling, the signal remains in the neighborhood of the secreting cell and thus acts as a local mediator on nearby cells.Finally, __________ signaling involves the conversion of electrical impulses into a chemical signal.Cells receive signals through a __________, which can be an integral membrane protein or can reside inside the cell.