yasbabe Posted December 6, 2014 Report Share Posted December 6, 2014 (edited) Hi. I am doing my first IA but I am having lots of difficulties..... My research question is How do different levels of pH (level 2 and 9) affect the activity of amylase?. However, my school is not providing amylase so what is the easiest way to get amylase for the experiment? and how do I have to write variables and personal engagement? Edited December 6, 2014 by Misoooooooooongyang Reply Link to post Share on other sites More sharing options...
IBstudents Posted April 19, 2015 Report Share Posted April 19, 2015 If the school does not provide amylase, try to change the research question to "yeast enzymes". You can buy yeast anywhere and you can even change the concentration of your yeast suspension. Reply Link to post Share on other sites More sharing options...
Guest Posted April 19, 2015 Report Share Posted April 19, 2015 Amylase is present in the saliva of humans ........ Reply Link to post Share on other sites More sharing options...
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