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  4. Among the given names of hormones, how many of them show a physiological response by changing the gene expression after binding with DNA inside the target cells? Oxytocin, Prolactin, Thyroxine, Calcitonin, Vasopressin, Estrogen, FSH, Cortisol, Testosterone, Adrenaline, Aldosterone

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Q. Among the given names of hormones, how many of them show a physiological response by changing the gene expression after binding with DNA inside the target cells?
Oxytocin, Prolactin, Thyroxine, Calcitonin, Vasopressin, Estrogen, FSH, Cortisol, Testosterone, Adrenaline, Aldosterone

NTA AbhyasNTA Abhyas 2020Chemical Coordination and Integration

Solution:

Lipid-soluble hormones enter inside the target cells and binds to their specific intracellular receptors to form H-R complex. This complex finally moves and binds to DNA inside the nucleus causes change in gene expression to give a physiological response. From the given list, five (estrogen, cortisol, aldosterone, testosterone and thyroxine) are steroid or lipid-soluble hormones.