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The mechanism by which nonsteroid hormones work on target cells. A hormone binds to receptors on the cell's plasma membrane activating a molecule&emdash;the second messenger&emdash;that activates other intracellular molecules that elicit a response. The second messenger can be cyclic AMP, cyclic GMP, inositol triphosphate, diacrylglycerol, or calcium.
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salmón
A meaty fish with firm, flavorful flesh. High in protein, the meat is an excellent source of Omega-3 fatty acids. It can often be found on our fresh ...