Explain the function of receptors and their location(s) in the cell.

Function: Cell signalling; Location: Cell membranes

Explanation:

Receptors are usually trans-membrane proteins located on cell membranes. Their extracellular part transmits chemical signals from outside the cell into the intracellular where a response is induced.

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.