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interneta bibliotēka
Atlants.lv bibliotēka
  • An Investigation to Compare the Reaction Rates between Potato and Hydrogen Peroxide and Liver and Hydrogen Peroxide

     

    Konspekts3 Bioloģija

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Pirkt
Identifikators:540539
Vērtējums:
Publicēts: 01.12.1996.
Valoda: Angļu
Līmenis: Vidusskolas
Literatūras saraksts: Nav
Atsauces: Nav
Darba fragmentsAizvērt

Evaluation:
Even though I get the results I was hoping for I still got some anomalous results in my graph. This could've been for a number of reasons. For instance because I was using very delicate measuring scales (top pan balance) a little disturbance in the air could've changed my results. Also because after every 20 seconds I was agitating the reactants and placing the beaker on the scales I could've placed it in a different place each time and this would've changed my results. Or when I was agitating the reactants I could agate it more sometimes and this would've caused a faster reaction.
I think that my experiment was very valid. This is because it gave the expected results. If my results had not shown what was expected then, I would've redone my experiment to find out where I went wrong.
If I were to do the experiment again I would try to do it in a place with less people. This is because whilst I was doing my experiment there were a lot of people walking around. This caused a draft around my experiment and it changed my results. I would also repeat my experiment more so that I could get a more accurate result.
I would take this experiment further by finding out if other organisms held more catalase. For instance I could see if the potato skin had more catalase in it then potato flesh does. I could also find out if kidneys had a faster reaction rate than liver. I would do the same experiment using the same measurements but I would use a wider variation of reactants.

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