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A photographic company wants to recycle the plastic in exposed (and therefore unusable) photographic film. They will need to remove the silver compound attached to the film by the protein gelatine. They decide to use a protease enzyme called trypsin
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| Submitted: Thu Aug 21 2003
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Introduction A photographic company wants to recycle the plastic in exposed (and therefore unusable) photographic film. They will need to remove the silver compound attached to the film by the protein gelatine. They decide to use a protease enzyme called trypsin to digest the gelatine, but want to find the best conditions for the enzyme to work to save money. Background knowledge ENZYMES An enzyme is a biological catalyst that speeds up the rate of reaction. Enzymes are composed of polymers of amino acids. Enzymes are mainly located in the cytoplasm of a cell. Here they control the chemical reactions occurring inside the cells. The enzymes break down the food molecules into smaller parts so it is much easier for it to pass through the blood stream. Many enzymes are produced in different parts of the digestive system. The digestive system produces enzymes that break down the components of the food we eat....
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