Describe a test for the presence of a lipid and the positive result.
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10. Describe a test for the presence of a lipid and the positive result.
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- 4. Create an illustrated step-by-step schematic diagram of the following Qualitative test for Lipids: Baudouin Test Huble's Test6. List three foods in which most of the calories are contained in protein. 7. What type of bond is necessary for a positive Biuret test? 8. List three foods in which most of the calories are contained in lipids.4. a) The molecule below is a/n: amino acid dipeptide (circle one) tripeptide i b) Would the molecule below test positive in the biuret test? Why/why not? tu f If yes, label and point an arrow to the portion of the molecule responsible. the (biloa) nolls Η Ο H 188 OD CH₂SH NH3-C-C-NH-C-C CH3 stru
- 1.Discuss the Biochemical Tests for Lipids.6. The qualitative tests for determination of a-amino acids (ninhydrin test, xanthoproteic test, Millon's test, Foli's test) and identification of peptide bond by the biuret test wwwwwwwwww. Discuss the properties of potassium iodide solution, and how it results in the detection of starch. . Explain the meaning of each color that results in Starch Test, such as: 11.1 Yellow to brown and; 11.2 Blue to black.
- 4. Create an illustrated step-by-step schematic diagram of the following Qualitative test for Lipids: Solubility Test Translucent Test Acrolein Test Baudouin Test Huble's Test4. List three foods in which most of the calories are contained in carbohydrates. 5. Why would you not expect sucrose (disaccharide) to test positive in Benedict’s test?Interpret as POSITIVE OR NEGATIVE for the presence of macromolecules 1. lodine test for Starch 2. Benedict's test for Sugar 3. Biuret test for Proteins 4. Grease Spot test for Fats
- 4. a) The molecule below is a/n: amino acid dipeptide tripeptide (circle one) b) Would the molecule below test positive in the biuret test? Why/why not? If yes, label and point an arrow to the portion of the molecule responsible. H. H. NH3-C-C-NH-C-C CH3 CH2SH1. What is this lipid structure, give its role/ function, and enumerate its hydrolysis products or components. 2. Explain which hydrolyzed component will be positive in the Acrolein test? Ninhydrin test?1. What is the observed brick red precipitate in the experiment/qualitative tests of carbohydrates? (isolation & characterization)