Attribution:

• "Dr. Joel" G Protein linked 2^nd Messengers, G protein coupled receptors, GPCRs 3/21/2016.

  • https://www.youtube.com/watch?v=3qR9B2JCT_s

  • Med Immersion

  • (https://www.youtube.com/channel/UC5MpSzULJdwGOkGqmkHMC8A)