LO: Investigate the effect of temperature on the enzyme amylase

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Presentation transcript:

LO: Investigate the effect of temperature on the enzyme amylase Friday, 18 January 2019 LO: Investigate the effect of temperature on the enzyme amylase Define the following terms: A catalyst (1 mark) An enzyme (1 mark) The active site of an enzyme (1 mark) Give three clear examples of the type of reactions that are catalysed by enzymes (3 marks)

LO: Investigate the effect of temperature on the enzyme amylase Define the following terms: A catalyst - substance that speeds up a chemical reaction but is not used up or involved in the reaction and can be used many times over An enzyme- large protein molecule that acts as biological catalyst The active site of an enzyme- area in structure of enzyme with unique shape that binds to specific substrate Give three clear examples of the type of reactions that are catalysed by enzymes building large molecules from smaller ones changing one molecule into another breaking down large insoluble molecules into smaller soluble ones

Why do you think body temperature is maintained around 37 °C? LO: Investigate the effect of temperature on the enzyme amylase Why do you think body temperature is maintained around 37 °C?

LO: Investigate the effect of temperature on the enzyme amylase Results Temperature C Number of spots of iodine used Time for starch to change to sugar

Write up Draw a diagram of the apparatus write a method. LO: Investigate the effect of temperature on the enzyme amylase Write up Draw a diagram of the apparatus write a method. Identify variables. Present and analyse the results: calculate rates of reaction using raw data and graphs. Students plot a line graph of enzyme activity at different temperatures. Conclusion - using ideas about collision theory, active site, and denaturation in their answer.

LO: Investigate the effect of temperature on the enzyme amylase