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Home Q & A Board Laboratory Help Introductory Courses
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tommypax tommypax
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9 years ago
I need help on this because I did a lab and I have no idea why the addition of salt caused the reaction to occur slower. Thanks!
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9 years ago
 Salt Concentration. If the salt concentration is close to zero, the charged amino acid side chains of the enzyme molecules will attract each other. The enzyme will denature and form an inactive precipitate. If, on the other hand, the salt concentration is very high, normal interaction of charged groups will be blocked, new interactions will occur, and again the enzyme will precipitate. An intermediate salt concentration, such as that of human blood (0.9%) or cytoplasm, is the optimum for many enzymes.
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