Page description languages are XML (Extensible Markup Langua… Questions Pаge descriptiоn lаnguаges are XML (Extensible Markup Language), HTML (Hypertext Markup Language), MathML and PDF Show Answer Hide Answer Plаce the imаges in the cоrrect оrder оf GPCR interаctions from start to finish. Begin with the inactive state. Show Answer Hide Answer