Hormone Receptor Molecules May Be ________ in Order to Change

Q47: Match the chemical signal with the appropriate

Q48: The endocrine system<br>A) releases neurotransmitters into ducts.<br>B)

Q49: David has been feeling tired lately, and

Q50: Match the chemical signal with the appropriate

Q51: Phosphodiesterase functions<br>A) as a membrane-bound receptor molecule.<br>B)

Q53: _ chemical signals are released by cells

Q54: Cortisol, a lipid-soluble hormone is released into

Q55: Steroid hormones<br>A) bind to membrane receptors.<br>B) diffuse

Q56: What is it about a cell that

Q57: Hormones act on specific tissues called _