Saturday 13 April 2013

Enzvmes

Enzymes atomic number 18 catalysts. Catalysts are substances that advance up chemical reactions. The evaluate at which the reactions increase are influenced by their environment. Temperature and pH are two important environmental factors.

        The relationship between social structure and function of an enzyme is also important. The specificity of an enzyme comes from its structure, or shape. A compatible fail between the shape of the enzymes substrate and active site attributes to its specificity. The functions of an enzyme go away vary because of the different structures. For example one function of a specific enzyme is to convert substrate to product. The rate at which the substrate is converted depends on the concentration level of the substrate. The functions of enzymes vary because of the enzymes structure.

        increase temperature, up to a point, increases the speed of an enzymatic reaction. This is partly because substrates collide more frequently when the molecules move quickly. Once the optimum temperature for an enzyme is reached the speed of the enzyme activity drops sharply. The enzymes then begin to disrupt the ionic, covalent, and other gutless interactions that stabilize the active conformation. This causes the enzymes to denature. The temperature that allows the most molecular collisions without denaturing the enzyme is the optimal temperature for which reactions exceed the fastest.

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        Each enzyme also has an optimal pH level at which the enzymes are most active. As pH raises so does the enzyme activity, until it reaches that optimal level. For most enzymes this is usually between a pH of 6 and 8. However there are some exceptions. After the optimal level, the enzyme activity decreases rapidly.

        A simple experiment could be baffle up to produce the same results as seen in the pH graph. The hypothesis should be similar to the one as follows: If pH raises then...

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