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BIO NMDCAT Factors that Affect the Rate of Enzyme Reactions
nmdcat.online July 11, 2026

During laboratory investigation of enzyme kinetics, maintaining constant pH ensures that

A. The substrate concentration continuously increases
B. Changes in reaction rate are not caused by alterations in enzyme ionization
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C. The enzyme becomes more concentrated
D. Activation energy becomes zero

📝 Explanation

Constant pH allows accurate measurement of other variables by preventing changes in the enzyme's active site charge.

📖 Additional Information

  • The substrate concentration continuously increases
  • Changes in reaction rate are not caused by alterations in enzyme ionization
  • The enzyme becomes more concentrated
  • Activation energy becomes zero

Constant pH allows accurate measurement of other variables by preventing changes in the enzyme's active site charge.

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