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:
”1. How do the intake of nutrients and expenditure of energy relate to a metabolic level?”
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”2. Do you think you take in more calories than you burn in a day? Why or why not? ”
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Experiment 1: Tracking Your Nutrition
Macronutrient Graph Screenshot:
”Analysis: 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) | Click here to enter text.
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| Gelatin (2) | Click here to enter text.
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| Glucose (3) | Click here to enter text.
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| Water (4) | Click here to enter text.
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Table 2. Testing for Reducing Sugars Results
| Sample | Initial Color | Hypothesis (Reducing Sugar +/-) |
Final Color | Reducing Sugar Present? |
| Potato (1) | Click here to enter text.
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| Onion (2) | Click here to enter text.
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| Glucose (3) | Click here to enter text.
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| Water (4) | Click here to enter text.
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Table 3. Testing for Starch Results
| Sample | Initial Color | Hypothesis (Starch +/-) |
Final Color | Starch Present? |
| Potato (1) | Click here to enter text.
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| Onion (2) | Click here to enter text.
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| Starch (3) | Click here to enter text.
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| Water (4) | Click here to enter text.
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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) | Click here to enter text.
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Table 5. Testing an Unknown – Reducing Sugars
| Sample | Initial Color | Hypothesis (Reducing Sugar +/-) | Final Color | Reducing Sugar Present? |
| Positive Control (1):
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| Negative Control (2):
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| Unknown (3) | Click here to enter text.
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Table 6. Testing an Unknown – Starch
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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| Negative Control (2):
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| Unknown | Click here to enter text.
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Post-Lab Questions
”1. Write a statement to explain the molecular composition of the unknown solution based on the results obtained during testing with each reagent. ”
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”2. 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? ”
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”3. What results would you expect if you tested ribose, a monosaccharide, with Benedict’s solution? What results would you expect if you tested it with IKI? ”
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”4. 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? ”
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”Insert a screenshot of your test tubes after the starch test from “Testing An Unknown”: ”
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