m@ Posted October 24, 2003 Share Posted October 24, 2003 alright, i did this lab, on the ph of catalase. I basicly tested the reaction rates at 4, 7 and 10 (ph). My resullts show that the reaction rates of 7 and 10 are the same????? and 4 is even lower. Why could this be, i know that the polar parts of amino acids(-nh2 and -cooh) are attracted to the polarity of the difference in ph. wouldn't it make more sense for one of the ph's to be the highest in reaction rate? i don't get it. Link to comment Share on other sites More sharing options...
VendingMenace Posted October 24, 2003 Share Posted October 24, 2003 what you need to consider is the stability of the enzyme at various ph's as well as the affinity of the substrate for the enzyme at those ph's. It may be that the enzyme is used in basic conditions and as such it would make sense for it to function well at these higher phs. Of course it could just be that your data is erronous... Link to comment Share on other sites More sharing options...
Dudde Posted October 24, 2003 Share Posted October 24, 2003 perhaps a better catalyst? Link to comment Share on other sites More sharing options...
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