Which of the following choices best explains how one hormone can regulate several different developmental events?

A)One hormone can affect different target tissues differently.
B)A hormone can migrate to a gland, where the endocrine system reshapes it for a different use.
C)Once a steroid hormone attaches to a receptor on the surface of a cell, it starts several different signal cascades that activate many genes at once.
D)Hormones are made up of molecules that separate once inside the cell to signal the development of different aspects of sexual maturity.