BIO 202L SPC Lab 17 Nutrition Questions

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Lab 17 Nutrition
BIO202L
Student Name: Click here to enter text.
Access Code (located on the lid of your lab kit): Click here to enter text.
Pre-Lab Questions:
n How do the intake of nutrients and expenditure of energy relate to a metabolic level?lick here to enter text.
® Do you think you take in more calories than you burn in a day? Why or why not? lick here to enter text.
Experiment 1: Tracking Your Nutrition
Macronutrient Graph Screenshot:
nalysis: Click here to enter text.
Experiment 2: Testing for Reducing Sugars
Table 1. Testing for Proteins Results
Sample
Initial Color
Hypothesis
(Protein +/-)
Final Color
Protein
Present?
Albumin (1)
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Gelatin (2)
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Lab 17 Nutrition
BIO202L
Sample
Initial Color
Hypothesis
(Protein +/-)
Final Color
Protein
Present?
Glucose (3)
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Water (4)
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Table 2. Testing for Reducing Sugars Results
Sample
Initial Color
Hypothesis
(Reducing Sugar
+/-)
Final Color
Reducing
Sugar Present?
Potato (1)
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Onion (2)
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Glucose (3)
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Water (4)
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Table 3. Testing for Starch Results
Hypothesis
(Starch +/-)
Final Color
Starch
Present?
Potato (1)
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text.
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Onion (2)
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Sample
Initial Color
Lab 17 Nutrition
BIO202L
Hypothesis
(Starch +/-)
Final Color
Starch
Present?
Starch (3)
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Water (4)
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Sample
Initial Color
Table 4. Testing an Unknown – Proteins
Sample
Initial Color
Hypothesis
(Protein +/-)
Final Color
Protein
Present?
Positive Control (1):
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Negative Control (2):
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Unknown (3)
Table 5. Testing an Unknown educing Sugars
Sample
Initial Color
Hypothesis
(Reducing
Sugar +/-)
Final Color
Reducing
Sugar
Present?
Positive Control (1):
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text.
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Negative Control (2):
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Lab 17 Nutrition
Sample
Unknown (3)
BIO202L
Initial Color
Hypothesis
(Reducing
Sugar +/-)
Final Color
Reducing
Sugar
Present?
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to enter
text.
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to enter
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Table 6. Testing an Unknown tarch
NOTE: Before filling in this table, take a screenshot of your test tubes to include at the
end of this document.
Sample
Initial Color
Hypothesis
(Starch +/-)
Final Color
Starch
Present?
Positive Control (1):
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to enter
text.
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to enter
text.
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to enter
text.
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to enter
text.
Negative Control (2):
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text.
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text.
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Unknown
Post-Lab Questions
n Write a statement to explain the molecular composition of the unknown solution based on the
results obtained during testing with each reagent. lick here to enter text.
® What can you conclude about the molecular make-up of potatoes and onions based on the tests you
performed? Why might these foods contain these substances? lick here to enter text.
î What results would you expect if you tested ribose, a monosaccharide, with Benedictàsolution?
What results would you expect if you tested it with IKI? ab 17 Nutrition
BIO202L
Click here to enter text.
. Diet and nutrition are closely linked to the study of biomolecules. How should you monitor your food
intake to insure the cells in your body have the materials necessary to function? lick here to enter text.
nsert a screenshot of your test tubes after the starch test from %sting An Unknown
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