An unknown sample was tested if there is a presence of lipid, after the test it shows that it is positive for translucent test, soluble with chloroform, didn’t produce a pungent odor in acrolein test, didn’t didn’t produce red color for Baudouin Test, and violet color disappears in Huble’s Test. What does it indicate? Explain for 6 sentences
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An unknown sample was tested if there is a presence of lipid, after the test it shows that it is positive for translucent test, soluble with chloroform, didn’t produce a pungent odor in acrolein test, didn’t
didn’t produce red color for Baudouin Test, and violet color disappears in Huble’s Test. What does it indicate? Explain for 6 sentences
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- An unknown sample was tested if there is a presence of lipid, after the test it shows that it is positive for translucent test, soluble with chloroform, didn’t produce a pungent odor in acrolein test, didn’t produce red color for Baudouin Test, and violet color disappears in Huble’s Test. What is the unknown sample? Explain your answer.An unknown sample was tested if there is a presence of lipid, after the test it shows that it is positive for translucent test, soluble with chloroform, produced a pungent odor in acrolein test, produced a red color for Baudouin Test, and the violet color disappeared in Huble’s Test. What is the sample? Group of answer choices A lipid that is saturated, contain glycerol, and sesame oil A lipid that is saturated, doesn’t contain glycerol, and sesame oil A lipid that is unsaturated, doesn’t contain glycerol, and sesame oil A lipid that is unsaturated, contain glycerol, and sesame oilThe following figure shows the fatty acid profile of the lipid samples tested for bromine test. Rank the samples based on the number of drops. (1- the highest number of drops; 3- the lowest number of drops)
- The tests we performed: Molisch’s test Benedict’s test Fehlings test Barfoed’s test Seliwanoff’s test Phenylhydrazine test Isolation and reactions of starch Iodine test We need to make a schematic diagram.What does translucent spot mean with regards to lipid? Identify the control for this test. 1. Oil 2. Cheese 3. Water 4. CheeseThe table below summarizes the results for Millon's test. Provide the correct remarks from the results if Negative for Millon's Test or Positive for Millon's Test and if Contains phenolic hydroxy group or Does not contains phenolic hydroxy group.
- Which of the following is the test for Methionine A. Biuret Test B. Ninhydrin Test C. Xanthoproteic Test D. Test for sulfur E. Hopkin’s Cole Test F. Millon’s Test Which of the following is the test for Phenylalanine A. Biuret Test B. Ninhydrin Test C. Xanthoproteic Test D. Test for sulfur E. Hopkin’s Cole Test F. Millon’s TestAnswer the following questions (not more than 5 sentences/question). Discuss the correct laboratory technique in using the centrifuge for qualitative analysis. Give two tips on its proper use. Explain how calcium ions are confirmed present in a solid salt by using flame test. Discuss a method to confirm the presence of a) phenol and b) ketone in a test compound. How are proteins confirmed present in a sample? Explain the laboratory process.a. Silver reduction test: What is the substance responsible for the color production? b. Jaffe’s test: To what is the color due to? c. Ammoniacal zinc chloride test: What compound is responsible for the color? What are the pigments normally present in urine? d. Sulfates: From what substance are sulfates derived? In what conditions is sulfate elimination increased? e. Detection of Chlorides: What is the normal amount of chlorides eliminated in 24 hours? In what forms are they eliminated? In what conditions is the elimination diminished and eliminated increased? What is a threshold substance? Is chloride a substance substance? f. Detection of Phosphates: What is a triple phosphate? When it is formed? What are the sources of the phosphates found in urine?
- Check which test (s) will yield a positive result or negative result for the given compounds. Sample Biuret Test Ninhydrin test Hopkin's cole test Xanthoproteic test Albumin Gelatin Casein Tyrosine Glycine Ala-Gly Cys-Leu His-Gly-Tyr Gly-Gly-Met Beef StockThe before and after fluids were observed to detect the movement of starch across the dialyzing membrane. The tables below shows the test results using chemical indicators like iodine test. BEFORE Fluid in the beaker yellow (absence of starch) Fluid in the bag black (presence of starch) AFTER Fluid in the beaker yellow (absence of starch) Fluid in the bag black (presnece of starch) Was there a movement of starch across the dialyzing membrane? Why or why not?Which of the following below will show a NEGATIVE result in Huble’s test? Group of answer choices Linoleic Acid Palmitic Acid Linolenic Acid Oleic Acid