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Home Q & A Board Biology-Related Homework Help General Biology
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runner2392 runner2392
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12 years ago
Growth hormone is a protein signaling molecule.
a) cytoplasm of target cell
b) extracellular surface of target cell
c) intracellular surface of target cell
d) nucleus of target cell

growth hormones signal cells to amplify.. so wouldn't the signal have to come from outside the cell?
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bio_manbio_man
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12 years ago
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runner2392 Author
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#2
12 years ago
"The growth hormone receptor has been shown to be an integral membrane protein. Growth hormone receptors contain a carbohydrate component associated with the extracellular domain of the receptor in conjunction with the growth hormone-binding site." link: http://www.hghhormonesupplements.com/growth-hormone-receptor.php

guess i could have just googled it
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