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STARTER Fill in the missing words – what do you know about enzymes Enzymes are ………. . They have an ……. site which is a particular shape. A specific ………. fits into this like a key in a ……… . Enzymes work best at an optimum …… and optimum …………. .  pH protein substrate active temperature lock
Learning Outcomes ,[object Object],[object Object],[object Object],[object Object]
How Enzymes Work Lock Key and theory (Biological  Catalysts ) Enzyme Substrate Products Active site
enzyme properties ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],pH can affect the shape of the  ACTIVE SITE  which prevents the substrate fitting in, so NO products are made
Effect of pH on enzyme activity ISA Ensure that you are working safely by following the safety advice of your teacher! Watch the teacher demonstration! Follow the instructions carefully on your practical sheet pH
Role of enzymes in Cells ,[object Object],RESPIRATION PROTEIN SYNTHESIS PHOTOSYNTHESIS DIGESTION
Aerobic Respiration ,[object Object],[object Object],Protein synthesis & photosynthesis Use your knowledge from previous lessons to complete page  6  in your workbook e.g. knowledge from workbook 1 and 2
Learning Outcomes ,[object Object],[object Object],[object Object],[object Object]
Plenary COMPLETE EXAM QUESTIONS

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GCSE Biology Enzymes

  • 1. STARTER Fill in the missing words – what do you know about enzymes Enzymes are ………. . They have an ……. site which is a particular shape. A specific ………. fits into this like a key in a ……… . Enzymes work best at an optimum …… and optimum …………. . pH protein substrate active temperature lock
  • 2.
  • 3. How Enzymes Work Lock Key and theory (Biological Catalysts ) Enzyme Substrate Products Active site
  • 4.
  • 5. Effect of pH on enzyme activity ISA Ensure that you are working safely by following the safety advice of your teacher! Watch the teacher demonstration! Follow the instructions carefully on your practical sheet pH
  • 6.
  • 7.
  • 8.