Thursday, December 16, 2010

Enzymes Reactions Lab!

A couple of weeks ago we did a lab about enzyme reactions.  We tested the levels of pressure when yeast was mixed with a variety of different mixtures.  In the first graph shown we tested the levels of pressure with 5 droplets of yeast, 20 droplets of yeast, and 45 droplets of yeast.  The mixture that had the highest slope of pressure was the one with 20 droplets of yeast.


In the graph to the right, we measured the levels of pressures of yeast mixed with different levels of pH.  The enzyme reaction was the highest with a pH level of 4.
  The graph on the left shows pressure with different temperature levels.  We experimented with yeast and water mixed at room temperature, cold temperature, and hot temperature.  According to our observations the yeast had the most pressure at hot temperatures.  








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