Indeed, this reversible and specific interaction between complementary base pairs is critical for all the functions of DNA in living organisms.Top, a GC base pair with three hydrogen bonds.. 
Orílẹ̀-Èdè Olómìnira Ilẹ̀ Gúúsù Áfíríkà wà ní ẹnu igun apá gúúsù Áfíríkà.. 