Match each term with its explanation or definition.
-The combination of hormones have a greater effect than the sum of the effects of the two hormones separately

Question

Quizplus · Accepted Answer

Synergism is the combination of hormones having a greater effect together than the sum of their effects separately.

Answer: B
 Steroid hormones are hormones derived from cholesterol and can easily cross the cell membrane to bind to intracellular receptors.

Answer: C
 Second messengers are molecules that transmit signals from the cell surface, where a hormone binds to a receptor, to the inside of the cell.

Answer: D
 Target cells are cells that have receptors for a particular hormone and can respond to its signal.

Answer: E
 Upregulation is the increase in the number of receptors on a cell surface in response to a decreased concentration of a hormone.

Answer: F
 Antagonism is when one hormone opposes or blocks the action of another hormone.

Answer: G
 Prostaglandins are a group of lipid molecules that act as local hormones and have a variety of physiological effects.

Answer: H
 Tropic hormones are hormones that regulate the secretion of other hormones by target endocrine glands.

Answer: I
 Nonsteroid hormones are hormones that are unable to pass through the cell membrane and must bind to receptors on the outside of the cell.

Answer: J
 Permissiveness is the concept that one hormone cannot fully exert its effects without another hormone being present.

Match Each Term with Its Explanation or Definition