Anatomy and physiology labs ||
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:
”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
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Sample |
Initial Color |
Hypothesis (Protein +/-) |
Final Color |
Protein Present? |
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Albumin (1) |
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Gelatin (2) |
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Glucose (3) |
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Water (4) |
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Table 2. Testing for Reducing Sugars Results
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Sample |
Initial Color |
Hypothesis (Reducing Sugar +/-) |
Final Color |
Reducing Sugar Present? |
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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
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Sample |
Initial Color |
Hypothesis (Starch +/-) |
Final Color |
Starch Present? |
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Potato (1) |
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Onion (2) |
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Starch (3) |
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Water (4) |
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Table 4. Testing an Unknown - Proteins
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Sample |
Initial Color |
Hypothesis (Protein +/-) |
Final Color |
Protein Present? |
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Positive Control (1):
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Negative Control (2):
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Unknown (3) |
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Table 5. Testing an Unknown – Reducing Sugars
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Sample |
Initial Color |
Hypothesis (Reducing Sugar +/-) |
Final Color |
Reducing Sugar Present? |
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Positive Control (1):
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Negative Control (2):
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Unknown (3) |
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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.
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Sample |
Initial Color |
Hypothesis (Starch +/-) |
Final Color |
Starch Present? |
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Positive Control (1):
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Negative Control (2):
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Unknown |
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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”: ”
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:
”
1.
How
do
the
intake
of
nutrients
and
expenditure
of
energy
relate
to
a
metabolic
level?
”
Click
here
to
enter
text.
”
2.
Do
you
think
you
take
in
more
calories
than
you
burn
in
a
day?
Why
or
why
not?
”
Click
here
to
enter
text.
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.
Click here to
enter text.
Click here to
enter text.
Click here to
enter text.
Gelatin (2)
Click here to
enter text.
Click here to
enter text.
Click here to
enter text.
Click here to
enter text.
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:
”1. How do the intake of nutrients and expenditure of energy relate to a metabolic level?”
Click here to enter text.
”2. Do you think you take in more calories than you burn in a day? Why or why not? ”
Click here to enter text.
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.
Click here to
enter text.
Click here to
enter text.
Click here to
enter text.
Gelatin (2)
Click here to
enter text.
Click here to
enter text.
Click here to
enter text.
Click here to
enter text.