Which one of these is not an example of intracellular communication?

control of cell division

molecule in a cell changes function of cell
reaction to pheromones molecular movement within a cell



Which one of these is not an example of intercellular communication?
A hormone travels through the circulatory system to deliver a signal.
A white blood cell produces antibodies.
A chemical signal is transmitted between the cells of two organisms.
A molecule released from one cell signals one near, but not directly adjacent.