Monday, December 13, 2010

Enzyme Lab - Kiel, Leigh, Jodi, & Ali!



On the first day, our task was to place a variation of drops of yeast in the test tube and see what happened. This graph shows that the more drops of yeast makes the rate go up. The more enzymes placed into the test tube creates more pressure in the test tube.


On the second day of our experiment, we tested what would happen if we changed the temperature of the test tube. The first test tube we place into ice old water at about 25 degrees. The pressure was lower than the normal temperature. The second test tube was placed into luke warm water. This test tube had the most extreme reaction to the yeast out of the three. As you can see in the graph, as the temperature climbs between 25 and 80 degrees the pressure is building greatly. When we got the last test tube (hot water) and put the same amount of yeast into the test tube, we experienced about the same thing that we did with cold water. The pressure was going back down to where is was. I can conclude that enzymes work better in a luke warm temperature than an extreme cold or hot. 

Heres a video of our experiment... IN ACTION(:
(this was probably the coolest part! glad I got it on video right?)




This was day three I believe. The lower the pH level of the test tube made the pressure lower. As the pH level climbed after a certain amount of time the pressure climbed also. Therefore, the higher the pH level the more pressure you got. 


CONCLUSION: After this lab, I learned a lot of things. I wasn't aware that temperature effected enzymes from working like it did. I had figured that the more enzymes you had the more they worked, as you do with anything. There are many things that can effect how enzymes work.. but I did end up learning a lot!!

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