Question

sample hypothesis:if the mystery food is tofu, then it will react with the reagent that indicates the presence of a protein because tofu is primarily protein. which reagent is used to test for protein? sudan red lugols solution biuret reagent benedicts solution

Explanation:

Sudan red is used to test for lipids. Lugol's solution is for starch. Benedict's solution is for reducing sugars. Biuret reagent reacts with peptide bonds in proteins, so it is used to test for proteins.

Answer:

C. Biuret reagent