Hydrogen and Points
1. Identify the functional group or molecule for each of the following. (3 points) 1. COOH -OH 2. COH -OH 3. COH -OH 1. List whether each of the following substances was positive or negative for reducing sugar, as indicated by the Benedict's test. (6 points) 1. corn syrup (1 point) positive 2. table sugar (1 point) positive 3. unknown 1 (1 point) negative 4. unknown 2 (1 point) negative 5. unknown 3 (1 point) positive 6. unknown 4 (1 point) positive 1. List whether each of the following substances was positive or negative for starch, as indicated by using iodine. (7 points) 1. onion juice (1 point) positive 2. water (1 point) negative 3. cornstarch (1 point)positive 4. unknown 1 (1 point) negative 5. unknown 2 (1 point) positive 6. unknown 3 (1 point) positive 7. unknown 4 (1 point) negative 1. List whether each of the following substances was positive or negative for lipids, as indicated by the Sudan III test. (7 points) 1. oil (1 point) positive 2. butter (1 point) positive 3. flour (1 point) negative 4. unknown 1 (1 point) positive 5. unknown 2 (1 point) negative 6. unknown 3 (1 point) positive 7. unknown 4 (1 point) negative 1. List whether each of the following substances was positive or negative for protein, as indicated by the Biuret test. (7 points) 1. chicken soup (1 point) positive 2. water (1 point) negative 3. gelatin (1 point) positive 4. unknown 1 (1 point) positive 5. unknown 2 (1 point) negative 6. unknown 3 (1 point) negative 7. unknown 4 (1 point) positive 1. Report the results from the catalase test. (3 points) 1. Liver Catalase present? Yes/No (1 point) yes 1. Roast Beef Catalase present? Yes/No (1 point) yes 1. Student supplied meat (provide name of meat): Chicken (Buddig) Catalase present? Yes/No (1 point): yes