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.
I don't know, maybe because of the way we see animals. Not as our equal parts
D iş the answer...........
what sory tg4tg cnfkjkveg