Adenine

This site tells the story of the history of the universe. Click Earlier and Later to follow the story.
Note: Many facts have been simplified to make them easier to understand.
Our new free weekly podcast Time Crystal tells this story as sci-fi fantasy

Adenine is a base found in tea.
It is an important part of nucleic acid and ATP. The fact that this (and other) bases are used by life in so many ways suggests that bases were an important part of life from its beginning.