試題詳解

33. What do synaptic signaling and paracrine signaling have in common?
(A) Cells bind a membrane bound signal on a neighboring cell.
(B) Cells release a signal that affects cells at long distances.
(C) Cells release a signal that affects itself and neighboring cells.
(D) Cells release a signal that affects neighboring cells.
(E) Cells release a signal through gap junctions to affect neighboring cells.