college chemistry

Why is iodine important to biological tissues such as the thyroid gland? Give a prediction for why iodine is added to the table salt supply.

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I have no idea! :(

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  1. I'm not a biologist; however, I know that a deficiency of iodine leads to goiter and iodine is added to salt (as potassium iodide, KI) as a way of assuring that we get enough iodine in our diet. You can read more about the role of iodine here.
    http://en.wikipedia.org/wiki/Iodine_in_biology

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  2. thank DrBob!! Your the best!! :)

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