Which outcome occurs influencing reaction rate when ionic strength buffer concentration varies significantly in enzyme kinetics experiments?

💡 Explanation

When ionic strength changes, electrostatic interactions between the enzyme and charged substrates are altered because of Debye-Hückel screening which impacts substrate binding affinity, leading to changes in the apparent Michaelis-Menten constant (Km). Therefore Km values will shift, rather than protein denaturation, substrate precipitation, or product degradation which require different excessive chemical or physical stressors.

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