Trace elements in chemical evolution,I |
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| Authors: | Kensei Kobayashi Cyril Ponnamperuma |
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| Institution: | (1) Laboratory of Chemical Evolution, University of Maryland, 20742 College Park, MD, USA |
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| Abstract: | Research on trace elements in chemical evolution is reviewed from three points of view. They are:(i) the origin of the essentiality of trace elements in present biological systems; (ii) the possible roles of trace elements in chemical evolution; and (iii) the origin of enzymatic activity with metal ions,i.e., the origin of metalloenzymes. |
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