There are various indicator tests available to researchers and scientists that test for the presence of biological macromolecules (sugars, fats, proteins, and nucleic acids). Some indicator tests turn color in the presence of certain macromolecules, as listed in Table 1.

Several students were investigating the macromolecules present in various foods. The foods and indicator tests are listed in Table 2.

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Question 1 of 5
1. Question
Question 1:
Based on Table 1, which foods contained starch?
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Question 2 of 5
2. Question
Question 2:
Based on the information in the passage and the information presented in Table 1, the Biuret’s solution would have been which color after testing the potato?
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Question 3 of 5
3. Question
Question 3:
The students noted that the sweetest tasting foods resulted in positive Benedict’s tests. What is the most likely explanation for this observation?
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Question 4 of 5
4. Question
Question 4:
A student forgot to label his vials when testing for glucose and protein. Both vials appeared blue after the addition of Benedict’s and Biuret’s. How could the student determine which vial contained which indicator?
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Question 5 of 5
5. Question
Question 5:
Some people may go on a “cabbage diet” to lose weight. Based on Tables 1 and 2, would you predict the cabbage diet to be successful at promoting weight loss?
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