I, IN the year 1881, made a considerable series of examinations of the division of the chlorophyll-granules of phanerogamous and cryptogamous plants, and upon the occurrence of Pringsheim's ...
THE available information regarding the chemical nature of nucleic acids in Cyanophyceae is very meagre, and deoxyribonucleic acid and ribonucleic acid have not been isolated chemically from this ...
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