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When buiret solution is used as an indicator, it turns from blue to purple in the presence of which organic molecule?

When buiret solution is used as an indicator, it turns from blue to purple in the presence of which organic molecule?
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When buiret solution is used as an indicator, it turns from blue to purple in the presence of which organic molecule?

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User Alexander Beninski
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the answer choices for this question areA) lipid
B) protein
C) nucleic acid
D) carbohydrate

I would say C if i had this question
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User Hagemann
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The biuret solution will turn from blue to purple when it is exposed to protein. The copper sulfate and potassium hydroxide cause the substance to become an alkaline.
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User MmBs
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