1. Thyroid hormones exert their effects on cells in a manner similar to steroid hormones; describe the mechanism of action of thyroid hormones.

Respuesta :

Thyroid hormones diffuse through the plasma and enter the cell nucleus. The hormone will then bind to specific receptors for the hormone inn the nucleus forming a thyroid hormone receptor complex. This action later binds to specific regions of the DNA known as responsive element which results in increase in transcription of certain genes . Every binding is unique in the way they form and bind. An increase in gene transcription  means an increase in amount of mRNA.
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