<span><span>The carboxyl end of the G- protein-coupled receptor (GPCR) is located in the cytosol (it is intracellular). Carboxyl terminus is one of the most variable structures of the protein. All of the GPCR are </span><span>structural and functional similar, unlike their ligands.</span></span>
The answer is B. Water/H2O
All organisms are composed of one or more cells
Cells are the basic unit of structure and function in a living organism
Cells come only from the reproduction of existing cells
