Hormones derived from amino acids can cause different effects in different cells depending on the type of cell and

Hormones derived from amino acids can cause different effects in different cells depending on the type of cell and its signal transduction pathway.
An arrangement of chemical reactions in a cell that happens when a particle, for example, a hormone, joins to a receptor on the cell layer. The pathway is really a course of biochemical responses inside the cell that eventually achieve the objective particle or response.

You just tell them that you don't know the answer.