Macromolecule Mystery Lab Answers

Question: Test for Complex Carbohydrates (Starch)

Answer: Lugol’s Iodine

Question: Test for Simple Carbohydrates (Glucose)

Answer: Benedicts

Question: Test for Proteins

Answer: Biurets

Question: Buirets turns Purple

Answer: Positive for Proteins

Question: Biurets turns Blue

Answer: Negative for Proteins

Question: Benedict’s turns Orange

Answer: Positive for glucose

Question: Benedict’s turns Blue

Answer: Negative for glucose

Question: Iodine turns Yellow

Answer: Negative for starch

Question: Iodine turns Blue Black

Answer: Positive for starch

Question: indicator

Answer: A compound that changes color in the presence of an acid or a base

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