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biology -urgent...highly confused

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How does pH affect the activity of catalase? Consider both high and low pH, and explain your observations by discussing the effect of pH on protein structure.

I cannot find anywhere in my notes, or text book, or even on the internet how pH affects catalase. I know that with pH, as with temperature, catalase has an optimal pH at which it functions. But other than that I have no idea how to answer the question! Please help!

  • biology -urgent...highly confused - ,

    Remember catalase is a type of protein. When it is exposed to extreme temperatures, it is going to denature - or change its shape (especially in active site) and would not be able to bind to its substrate.

  • biology -urgent...highly confused - ,

    Just like temperature increase can denature proteins, sharp decrease or increase in pH level can do the same.

  • biology -urgent...highly confused - ,

    If you look up "low pH denature a protein" in google, you can find this information. (that's how I found it)

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