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EnglandBiologyQuick questions
Topic 2: Genes and health
Quick questions on Enzymes: mode of action, factors affecting rate and inhibitors - Edexcel A-Level Biology B
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
Explain how an increase in temperature above the optimum reduces enzyme activity. [3 marks]
What is q2?Show answer
Explain why increasing substrate concentration can reduce the effect of a competitive inhibitor but not a non-competitive inhibitor. [3 marks]
What is q3?Show answer
A reaction releases of gas in the first seconds. Calculate the mean rate in . [1 mark]
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