Skip to main content

Back to the full dot-point answer

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 24 cm324\ \text{cm}^3 of gas in the first 4040 seconds. Calculate the mean rate in cm3s1\text{cm}^3\,\text{s}^{-1}. [1 mark]

Have a question we have not covered?

This dot-point answer is short enough that we have not extracted many short questions yet. Read the full dot-point answer or ask Mo, our study assistant, in the chat for follow ups.

All BiologyQ&A pages