Biology 9700 · AS & A Level · Factors that affect enzyme action

Factors that affect enzyme action — practice question

The graph illustrates the pattern for an enzyme-catalysed reaction. Which labels are right for the x-axis and the y-axis?

  • Ax-axis: rate of reaction; y-axis: substrate concentration
  • Bx-axis: enzyme concentration; y-axis: temperature
  • Cx-axis: pH; y-axis: rate of reaction
  • Dx-axis: substrate concentration; y-axis: pH

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