IB skill practice

Explain enzyme activity and factors affecting rate

Paper 1, Paper 2 5 marks Difficulty 5

Substrate concentration and rate

In an enzyme practical from a Melbourne biology practical, increasing substrate concentration from \(3\) arbitrary units gives a rate of \(24\) arbitrary units before saturation. State the trend shown. Use the labelled diagram, graph, or scale evidence before answering. Enter the answer and choose the interpretation that best matches the biological evidence.

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