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AIIMS2018ZoologyChemical Coordination and Integration

According to the accepted concept of hormone action, if receptor molecules are removed from target organs, then the target organ will

Options

  1. Acontinue to respond to the hormone without any difference
  2. Bnot respond to the hormone
  3. Ccontinue to respond to the hormone but will require higher concentration
  4. Dcontinue to respond to the hormone but in the opposite way.

Correct answer

B. not respond to the hormone

Step-by-step solution

Hormones produce their effects on target tissues by binding to specific proteins called hormone receptors located in the target tissues only. Hormone receptors present on the cell membrane of the target cells are called membrane-bound receptors and the receptors present inside the target cell are called intracellular receptors, mostly nuclear receptors (present in the nucleus). Binding of a hormone to its receptor leads to the formation of a hormone-receptor complex. Each receptor is specific to one hormone only an

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