Answer:
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.
Answer:
They all have solid, rocky surfaces.
Explanation:
Answer - C. Coal is ionically bonded together while diamonds are covalently bonded together.
Blood pressure by many hormones like ADH , renin etc !
Answer:
they are both sources of energy
Explanation: