BioChem Lab 13.docx

BioChem Lab 13.docx - Expt 13 Carbohydrate Analysis Alex...

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Expt. 13: Carbohydrate Analysis Alex Aliscio Partner: Emma Couto Date Experiment Performed: 11/29/18 Professor Pesak CHE315L_04 1
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1. Data: Benedict’s Test  Barfoed’s Test  Seliwanoff’s Test  Bial’s Test  Mucic Acid Test  Ribose  (+) (+) (-) (+) (-) Arabinose  (+) (+) (-) (+) (-) Glucose  (+) (+) (-) (-) (-) Galactose  (+) (+) (-) (-) (+) Fructose  (+) (+) (+) (-) (-) Maltose  (+) (-) (-) (-) (-) Sucrose  (-) (-) (+) (-) (-) Lactose  (+) (-) (-) (-) (+) Unknown # 7 (+) (-) (-) (-) (+) Unknown # 8 (+) (+) (-) (-) (-) Unknown #7 = Lactose Unknown #8 = Glucose 2. Were the results for each your known samples in each test consistent with what you would have expected? If not describe/explain your observations. The results for each sample with each test are consistent with what is expected. 3. a. Identify the two unknowns. 2
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Unknown #7 = Lactose Unknown #8 = Glucose b. DRAW the Fischer (monosaccharides) and Haworth projections (mono and disaccharides) for both of your
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  • Fall '19
  • Glucose, partner, Fischer, Emma Couto, Alex Aliscio, Professor Pesak

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