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
Answers: 3
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