Receptor-hormone complex is formed when the binding of:

Each receptor is ...$A$... to one hormone only and hence,receptors are ...$B$... Hormone receptor complex formation leads to certain biochemical changes in the ...$C$.... Choose the option containing correct combination of $A, B$ and $C$.

Hormones reach their target organs through .......

In endocrine signaling,if the receptor molecule is removed from the target organ,then it will:

Some hormones need a secondary messenger because:

Choose the correct pair of hormones which interact with membrane-bound receptors.