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    • Keywords


      Haemocyanin; minimal molecular weight; Pila globosa ; aestivation

    • Abstract


      The copper and protein content in the blood and in the purified haemocyanin of active and aestivated snails are determined. There is a marked increase in the copper content and also in the haemocyanin content in the blood upon aestivation which is discussed in the light of the available literature. The per cent copper/protein ratio was 0·255 in the purified haemocyanin of the active and aestivated snails, suggesting similar nature of haemocyanin molecule whose minimal molecular weight was calculated to be 24,910.

    • Author Affiliations


      M Venugopal Reddy1 S Krupanidhi1 V Venkata Reddy1 B Padmanabha Naidu1

      1. Department of Zoology, SV University College of Sciences, Tirupati - 517 502
    • Dates


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