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Monday, November 7, 2011
As the Stomach Churns Lab DAY 1
In our class, we did a lab on digestion. We had 4 test tubes and we put a substance in each tube. In tube A, we putted 10ml of enzyme pepsin along with 3 cubes of egg white. In tube B, we put in 5ml of enzyme pepsin and 5ml of water along with another 3 cubes of egg white. The substance in tube C was 5ml of enzyme pepsin and 5ml of hydrochloric acid along 3 cubes of egg white. Finally, in tube D was put in 3 cubes of egg with 10ml of hydrochloric acid. For each of the tube there was no immediate reaction. When we put the blue litmus paper in we got a reaction from the tube D. For day 2 I expect to get a reaction in the tube with hydrochloric acid. The acid will break down the egg white.
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