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Experiment-Effect of Temperature on the Action of Amylase Enzyme

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  • Essay length: 2152 words
  • Submitted: 06/08/2012
  • Awarding body: Not known/Not applicable
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International Baccalaureate Biology

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Mohamad Zulhilmi bin Azmi Biology HL

EXPERIMENT : The Effect of Temperature on the Action of Amylase Enzyme

INTRODUCTION

Enzymes are biological catalyses, most of them are protein. A catalyst speeds up the rate of a chemical reaction without itself being changed at the end of the reaction. A few properties of protein are â enzymes are extremely efficient, extremely specific, can be denatured by heat (temperature) and are affected by pH.

Amylase is an enzyme that is involved in the human digestive process. Found in both the human pancreas and the human saliva, amylase breaks down starch into sugar so that large molecules can be easily digested. Like all enzymes, amylase must be kept in a certain condition in order to function properly. In this experiment, the effect of temperature on the rate of reaction of amylase will be investigated with the use of starch and iodine.

When starch is mixed with iodine, the coils of beta amylase molecules found in starch trap iodine, causing the mixture to turn into a shade of blue-black. When starch is broken down into glucose, however, the monosaccharide does not react with

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