At Puberty,an Adolescent Female Body Changes in Both Structure and Function

Multiple Choice

At puberty,an adolescent female body changes in both structure and function of several organ systems,primarily under the influence of changing concentrations of estrogens and other steroid hormones.How can one hormone,such as estrogen,mediate so many effects?

A) Estrogen is produced in high concentrations by a large number of different cell types.
B) Estrogen binds to common receptors inside several cell types,and each cell responds in the same way to its binding.
C) Estrogen does not affect cells that lack estrogen receptors in the cell membrane.
D) Estrogen binds to specific receptors inside many kinds of cells,each of which has different responses to its binding.