نظرا للطلب الكتير على تجربة الcatalase انا حنزل الملاحظات والكومنت
observation:
decrease in the level of sol
comment:
decrease in the level of sol due to prouduction of O2 gas as aresult of catalase enzym which found in yeast and react with H2O2 forming h2o and o2
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