Archive image from page 540 of Currents in biochemical research, 1956;. Currents in biochemical research, 1956; twenty-seven essays charting the present course of biochemical research and considering the intimate relationship of biochemistry to medicine, physiology, and biology currentsinbioche1956gree Year: 1956 ( PORPHYRINS appears that all the porphyrins in nature, including chlorophyll, in all different types of cells are synthesized by the same basic pathway. The different porphyrins merely arise by modifica- tions occurring in the side chains in the /3-positions of the pyrrole units.

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Archive image from page 540 of Currents in biochemical research, 1956;. Currents in biochemical research, 1956; twenty-seven essays charting the present course of biochemical research and considering the intimate relationship of biochemistry to medicine, physiology, and biology currentsinbioche1956gree Year: 1956 ( PORPHYRINS appears that all the porphyrins in nature, including chlorophyll, in all different types of cells are synthesized by the same basic pathway. The different porphyrins merely arise by modifica- tions occurring in the side chains in the /3-positions of the pyrrole units. , \ cC-KETO GLUTARATE UREIDO group of purines, SUCCiNATSE formate, etc the al-corbon atom t rr

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