Activity 9: Test Me! Direction: Answer the following questions given the results of various biomolecule tests. A. Results of Ethanol Emulsion Test for Lipids Food Sample Colorless Oil Fried Chicken Rice Butter Egg 1. Which food samples contain lipids?
B. Results of Biuret Test 2. Which food tested will the body use for a quick burst of energy? Food Sample Egg white Milk Potato flakes Gelatin Layer of Cloudy White Suspension Apple juice ✓ Biuret test Violet Violet Light blue Violet Light blue
B. Results of Biuret Test 2. Which food tested will the body use for a quick burst of energy? Food Sample Egg white Milk Potato flakes Gelatin Layer of Cloudy White Suspension Apple juice ✓ Biuret test Violet Violet Light blue Violet Light blue
Answers & Comments
Answer:
A. The food samples that contain lipids based on the results of the Ethanol Emulsion Test are fried chicken, butter, and egg.
B. The food that the body will use for a quick burst of energy based on the Biuret Test results is potato flakes since it turned light blue, indicating the presence of proteins. Egg white and milk also contain proteins, but they do not provide quick energy. Apple juice did not show any protein presence based on the test.
Explanation:
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