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    • Polar Transport of a Kinin, Benzyladenine - Nature

      Nature· 16 hours ago

      FROM limited experimental evidence it has been assumed that kinins are relatively immobile in plants1. When the synthetic kinin, kinetin, is applied to the surface of a leaf its effects in retarding ...

    • Polar Research - Nature

      Nature· 15 hours ago

      TN his presidential address to Section E (Geography) Prof. F. Debenham discusses “Some Aspects of the Polar Regions”. In spite of an extensive literature on the exploration ...

    • Coding of Polar and Non-polar Amino-acids - Nature

      Nature· 17 hours ago

      BIOLOGICAL properties of proteins depend on the higher levels of their structure, determined by the primary structure. As has been shown by Fisher1, the knowledge of the amino-acid composition ...