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Investigate the action of the enzyme amylase on the breakdown of starch.

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  • Essay length: 2146 words
  • Submitted: 12/12/2003
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AS and A Level Molecules & Cells

The first 200 words of this essay...

Planning:

Risk Assessment:

* Move bags out the way and ensure there is nothing else on the floor-so that you will not trip over.

* Wear lab coats-so that you will be protected from any spillages of chemicals and other liquids.

* Collect all equipment safely-So nothing gets dropped and smashed like test tubes.

* Be aware of others-So that you don't bump into anyone especially if they carrying anything that might break or chemicals that might be spilt.

* Mercury and spillage kit

* Glass disposal-so that anything glass that is broken is placed in there and not in normal bins.

Introduction:

I will be investigating the action of the enzyme amylase on the breakdown of starch. I will know when starch is present because adding iodine to any starch product will automatically change it to a blue/black colour. To show that amylase will break down starch, it will not change colour when iodine is added, this means that starch is now turned into glucose molecules. Enzymes are proteins that act as catalysts. They break down big molecules like starch into small molecules like glucose so that they

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