pptx, 3.08 MB
pptx, 3.08 MB
docx, 17.88 KB
docx, 17.88 KB

This revision resource includes exam questions, understanding checks and quiz competitions, all of which have been designed with the aim of motivating and engaging the students whilst they assess their understanding of the content found in topic 5 (Enzymes) of the CIE IGCSE Biology specification for examination in June and November 2020 and 2021. This revision resource contains an engaging PowerPoint (25 slides) and associated worksheet.

The range of activities have been designed to cover as much of the Core and supplement content as possible but the following sub-topics have been given particular attention:

  • Define enzymes as proteins that function as biological catalysts
  • Explain enzyme action with reference to active site, substrate and enzyme-substrate complex
  • Explain the specificity of enzymes
  • Explain the effect of changes of temperature on enzyme activity
  • Explain the effect of changes of pH on enzyme activity
  • Describe what happens to an enzyme when it is denatured

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