Labels:book | bulletin board | reckoner OCR: Adenine it will be recalled is one of the four nitrogen -containing bases present in RNA and DNA Itis also component of adenosine triphosphate (ATP) now the ma jor energy- providing molecule Qi biochemistry Orgel's work implied that if the atmosphere was indeed reducing adenine arguably one of the most essential biochemicals would have been available to help get life started Later studies established that the remaining nucleic acid bases could be obtained from reactions among hydrogen cyanide and two other compounds that would have formed in a reducing prebiotic atmosphere: cyanogen C2N2 and cyanoacetylene (HC3N) Hence early experiments seemed indicate that under plausible prebiotic conditions important constituents of proteins and nucleic acids could have been present on the early earth. ...
(.png)
