Biuret reagent can be used to determine the presence of protein polymers. ... Post-Lab ANALYSIS & CONCLUSIONS (Answer on a separate sheet of paper,.... Unknown substances can be tested and compared with the standard for positive identification of the substance. Procedure: Put on safety goggles and a lab apron.. This lab focuses on the body's need for carbohydrates, proteins, and fats to ... observing their reactions allows us to determine the presence of key nutrients in... 538a28228e balgesi
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