Biuret Reagent tests for the presence of which biological molecule? Carbohydrate Protein Lipid Nucleic Acid
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Step 1: The Biuret reagent test is a chemical test used to detect the presence of peptide bonds. Show more…
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Biuret test is not given by (a) carbohydrates (b) polypeptides (c) urea (d) Proteins
Match the macromolecule with the reagent used to test for it: Benedict's Proteins Biuret Complex Carbohydrates (Starch) Sudan IV Lipids lodine Reducting Sugars
Rolly S.
Biuret reagent tests for proteins. There are other reagents that test for other macromolecules. For carbohydrates, Benedict's reagent tests for simple sugars and iodine (IKI) tests for starch. For lipids, a simple grease spot test using a brown paper bag can be performed, where fatty substances will cause the spot to be translucent when held up to a light. Record the expected colors of solutions of the following substances when tested with these reagents and explain your hypotheses: Bread: Biuret: Benedict's: Iodine: Grease Spot: Explanation of hypothesis: Ground Beef: Biuret: Benedict's: Iodine: Grease Spot: Explanation of hypothesis: Soda: Biuret: Benedict's: Iodine: Grease Spot: Explanation of hypothesis: Diet Soda: Biuret: Benedict's: Iodine: Grease Spot: Explanation of hypothesis:
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