T4 is the active form of thyroid hormone

Indicate whether the statement is true or false


F: The thyroid gland (Figure 19–6) produces and releases a hormone (protein) called thyroxine (T4, levothyroxine). At the target tissues, thyroxine is converted to the active form, triiodothyronine (T3), which enters the cells and binds to receptors.

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Fill in the blank with correct word.

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Fill in the blank(s) with the appropriate word(s).

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