Bio Chemistry Question:
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How does temperature affect the action of enzymes upon their substrates?

Answer:

There are defined temperature ranges under which enzymes operate. There is a specific temperature-level where the enzymes have maximum efficiency. Therefore, temperature variations affect enzymatic activity and the speed of the reactions they catalyze.

In addition, as proteins, enzymes can be denaturated under extreme temperatures.

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How does the substrate concentration affect the speed of enzymatic reactions?Concerning enzymatic reactions how different, are the graphic curve of the variation of the speed of a reaction as function of substrate concentration and the curve of variation of the speed of a reaction as function of temperature?