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

An increase in substrate concentration while enzyme concentration remains constant initially results in

A. A proportional increase in reaction rate until saturation occurs
✓
B. Immediate denaturation of the enzyme
C. Continuous decrease in reaction rate
D. Complete inhibition of enzyme activity

📝 Explanation

Initially, more substrate molecules increase enzyme-substrate complex formation. Once all active sites become occupied, the reaction reaches maximum velocity (Vmax).

📖 Additional Information

  • A proportional increase in reaction rate until saturation occurs
  • Immediate denaturation of the enzyme
  • Continuous decrease in reaction rate
  • Complete inhibition of enzyme activity

Initially, more substrate molecules increase enzyme-substrate complex formation. Once all active sites become occupied, the reaction reaches maximum velocity (Vmax).

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