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3 Cards in this Set
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thyroid gland |
An endocrine gland, located on the ventral surface of the trachea, that secrets two iodine-containing hormones, triiidothyronine |
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A GTP- binding protein that relays signals from a plasma membrane signal receptor, known as a G- protein- linked receptor, to other signal transduction proteins inside the cell. When such a receptor is activated, it in turn activates the G protein, causing it to bind a molecule of GTP in place of GDP. Hydrolysis of the bound GTP to GDP inactivates the G protein. |
