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The ability to exercise control over one's own resources within the confines of the law refers to
Steroid Hormones
Hormones, such as insect molting hormone, cortisol, and male/female sex hormones, that are derived from cholesterol.
Thyroid Hormones
Hormones, including thyroxin (T4) and triiodothyronine (T3), secreted by the thyroid gland; stimulate rate of metabolism.
Surface Receptors
Proteins located on the cell membrane that bind to specific molecules in the cell's external environment, initiating a cellular response.
Second Messengers
Intracellular signaling molecules released by a cell in response to exposure to extracellular signaling molecules, amplifying the signal within the target cell.
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