Possible role of hydrogen cyanide in chemical evolution investigation of the proposed direct synthesis of peptides from hydrogen cyanide.

Amino Acids/analysis Animals Autoanalysis Biological Evolution Carboxypeptidases Cattle Chromatography, Gel Chromatography, Ion Exchange Chromatography, Paper Chromatography, Thin Layer Citrulline/analysis Cyanides Electrophoresis, Paper Histidine/analysis Hydrogen-Ion Concentration Mass Spectrometry Oxalates/analysis Oxidation-Reduction Pancreas/enzymology Peptides Pronase Spectrophotometry, Infrared Spectrophotometry, Ultraviolet Time Factors Urea/analysis

Amino Acids Cyanides Oxalates Peptides Citrulline Histidine Urea Carboxypeptidases Pronase