Viviana Vargas

Viviana Vargas - The Effect of pH on Reaction Rate Abstract...

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The Effect of pH on Reaction Rate Abstract Hydrogen ions have an effect on the tertiary structure of enzymes, which has a direct effect on the ability of the enzyme to catalyze reactions. This experiment was conducted to conclude if the reaction rate changes in response to variation in pH levels. The experimental results indicated that at a neutral pH level the reaction rate is faster. Introduction Enzymes are catalysts that increase reaction rates by binding to a reactant molecule. A single enzyme can catalyze the same type of reaction many times; therefore, the reactions occur rapidly. However, when an enzyme is not working properly the reaction rate is slower. Hydrogen ion concentrations can affect the tertiary structure of an enzyme, which slows down the reaction rate. Hydrogen ions are very reactive and combine to other charged ions. Proteins such as enzymes, contain charged ions in their structures therefore at changes in pH levels the tertiary structure of the enzyme is affected (World Anaesthesia, 2008). At low pH levels the structure of the enzyme can be denatured. Methods
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Viviana Vargas - The Effect of pH on Reaction Rate Abstract...

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