Lab Assignment 3: Chemistry of Life
© 2018 eScience Labs, LLC. Adapted with permission.
Name:
BIOL133 Course Section:
Date:
Instructions:
- Capture and insert the photographs, as requested. Resize images so they are no more than 100 KB/image. Plan your photographs before you begin your experiments to make sure you gather all of the required images.
- Answer the questions in complete sentences using correct grammar, spelling, and terminology.
- Use credible sources (include a citation) to support your answers, if needed.
Experiment 1: Testing for Biomolecules
Part 1: Testing for Proteins
1. Take a photograph of your four labeled test tubes at the end of your experiment (step 9). Your photograph should include your name and date in the image. (10 points)
INSERT PHOTOGRAPH HERE
2. Record your experimental results in the following table. (5 points)
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Tube |
Initial Color |
Hypothesis (Protein +/-) |
Final Color |
Protein Present? |
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Part 2: Testing for Reducing Sugars
3. Take a photograph of your four labeled test tubes at the end of your experiment (step 13). Your photograph should include your name and date in the image. (10 points)
INSERT PHOTOGRAPH HERE
4. Record your experimental results in the following table. (5 points)
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Tube |
Initial Color |
Hypothesis (Reducing Sugar +/-) |
Final Color |
Reducing Sugar Present? |
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1 |
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Part 3: Testing for Starch
5. Take a photograph of your four labeled test tubes at the end of your experiment (step 9). Your photograph should include your name and date in the image. (10 points)
INSERT PHOTOGRAPH HERE
6. Record your experimental results in the following table. (5 points)
|
Tube |
Initial Color |
Hypothesis (Starch +/-) |
Final Color |
Starch Present? |
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1 |
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2 |
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Part 4: Unknown Sample
7. What types of biomolecules do you hypothesize are present in your unknown sample? (10 points)
8. What were your positive and negative controls for each biomolecule when testing the unknown? Explain why you chose each control. (10 points)
9. Take a photograph of your labeled test tubes at the end of your protein testing. Your photograph should include your name and date in the image. (5 points)
INSERT PHOTOGRAPH HERE
10. Take a photograph of your labeled test tubes at the end of your reducing sugars testing. Your photograph should include your name and date in the image. (5 points)
INSERT PHOTOGRAPH HERE
11. Take a photograph of your labeled test tubes at the end of your starch testing. Your photograph should include your name and date in the image. (5 points)
INSERT PHOTOGRAPH HERE
12. Create data tables to display your results from your experiments. (10 points)
INSERT TABLES HERE
13. What can you conclude about the unknown sample based on your results? (10 points)
