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The rate of enzymatic reaction, as for any chemical reaction, depends on temperature. However, the rate...

The rate of enzymatic reaction, as for any chemical reaction, depends on temperature. However, the rate abruptly drops above certain temperature, which is different for different enzymes. How would you explain this phenomenon?

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Answer #1

From the Arhenius equation

so we know that as the temperature increases rate of reaction increases. but in enzymatic reactions , it is catalyzed by enzymes and enzymes are made up of proteins and proteins are made up of amino acid joined together by peptide bonds

all enzymes have optimal temperature at which its working efficiency is maximum. but if we increase the temperature beyond that range, proteins of the enzymes get denatured (its peptide bonds are cleaved) and its catalytic efficiency drops abpruptly.

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