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Biology, 27.10.2021 04:10 josie311251
A student adds 10 drops of a copper sulfate and sodium hydroxide solution to a test tube containing milk. The solution undergoes a color change from blue to purple. The presence of which organic molecule is indicated by the color change of the solution?
A.) Carbohydrate
B.) Protein
C.) Lipid
D.) Nucleic Acid
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Answers: 3
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