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Investigate the effect of temperature on the activity of catalase (from potato).
- Words:
- 3443
- Submitted:
- Mon Mar 22 2004
Have a little read: ... Investigate the effect of temperature Aim: Investigate the effect of temperature on the activity of catalase (from potato). Introduction: Enzymes are biological catalysts. They speed up metabolic reactions in the body but remain chemically unchanged themselves. Enzymes contain an active site. This is a region, normally a depression or cleft, to which another molecule may bind. This molecule is known as the substrate, and is usually specific to the active site of the particular enzyme, which breaks it down. Substrates will not usually fit into any other active sites other than that of the enzyme it is specified to. This can be explained as a lock and key model, where the lock and key are specific to each other, only, that there are many of the same kinds of lock and key when it come to the enzymes. Just as lock and keys have three-dimensional shapes, proteins are also three-dimensional. Usually, there
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