Question

What are membrane receptors?

Answer 1

membrane receptors are specialized protein molecules in the membranes of cell, to external molecules attach, triggering changes in the function of the cell

Answer 2

➡Membrane receptors are specialized protein molecules in the membranes of cells, to which external molecules like hormones, neurotransmitters, drugs etc. attach, triggering changes in the function of the cell.

➡This process is called transduction: the external signal is transduced into action.

➡Hundreds of receptors are known and there are undoubtedly many more yet to be discovered

➡ Many drugs exert their therapeutic effects by activating or blocking membrane receptors.