Lab 6.docx - Lab 6 Cellular Respiration Introduction I this...

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Lab 6: Cellular Respiration Introduction : I this lab, we tested to see what fermentation was going to happen with various carbohydrates. Fermentation is a metabolic process that produces chemical changes in substrates through the action of enzymes. Fermentation also breaks down sugars to generate energy without using oxygen. Hypothesis : Yeast ferments sugars in the following order from easiest to hardest: glucose, sucrose, fructose, and starch. Water is not fermented. Materials: 5 small and large test tubes 2% glucose solution 2% fructose solution 2% sucrose solution 2% starch solution Distilled water Disposable pipettes Stirring rods Yeast Methods : In order to test the hypothesis, I added the 2% glucose, fructose, sucrose, starch and distilled water onto five (5) separate test tubes. I added yeast to those same test tubes. The distilled water was the controlled substance used to test my hypothesis to clearly see which substance
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