This study has revealed significant variation in total ATPase activity after administration of aluminium acetate in different tissues of albino mice. With sublethal dose (3.5 mg/kg body weight) of aluminium acetate, total ATPase activity was decreased in brain (-50.61), liver (-50.69), kidney (-30.74), heart (-64.07), muscle (-51.50) and testis (-65.53) of albino mice. The decrement was enhanced with the increase of aluminium acetate. ATPases play an important role in the maintenance of cell

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... meability and energy transformation in the biological system. The results suggest that ATPase has a particular sensitivity to aluminium acetate.