Metabolism of the first cells (IMAGE)
Caption
Metabolism of the first cells: Starting compounds are shown at the left, they are converted by metabolism into the building blocks of life. The 420 enzymatic reactions are indicated as circles, chemical metabolites as diamonds, lines connect reactions having common metabolites. Circles shown in magenta shading indicate reactions that could have been catalysed by inorganic compounds in the environment where metabolism of the first cells arose. (Image: HHU/Nadja Hoffmann)
Credit
HHU/Nadja Hoffmann
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License
CC BY-NC-SA