<prompt> True about G protein receptor isIntracellular and signal to heterotrimeric proteinIntracellular and signal to small proteinCell membrane and signal to heterotrimeric proteinCell membrane and signal to small protein  <response>: G protein receptor also called seven transmembrane receptor is locatelsmd in cell membrane and open stimulations transmits signal to G protein Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:534,535,536 