What is the basic skeleton structure for flavonoids? What are the different subgroups of flavonoids? Differentiate each. Give the chemical reaction for the chemical tests involved in the identification tests for flavonoids and explain briefly the significance of the results.
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Answer the following questions.
- What is the basic skeleton structure for flavonoids?
- What are the different subgroups of flavonoids? Differentiate each.
- Give the
chemical reaction for the chemical tests involved in the identification tests for flavonoids and explain briefly the significance of the results.
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- What is the major biochemical function of each of the following proteins? α-Keratin _____________________________________ Collagen _____________________________________ Hemoglobin _____________________________________ Myoglobin _____________________________________Refer to the lipid structure below. CH,-O-C-(CH,),,CH, CH-O-C-(CH,),CH, NH,+ CH-O-P-O-CH,-CH-COO- A. Identify the lipid structure, give its role, function, and enumerate its hydrolysis products. B. Explain which hydrolyzed component will test positive in the Acrolein test? Ninhydrin test?https://www.youtube.com/watch?v=rKng5-ij6kQ Provide a schematic diagram for the Molish test methodologies in determining the presence of carbohydrates. Also, give the basic principle for the test. (not a graded question, the video is very brief) (please take time to answer)
- Complete the table below by adding (+) or (-) if eahc sample (amino acid or protein) below will test positive or negative, respectively. sample BIURET NINHYDRIN XANTHOPROTEIC MILLON-NASSE SAKAGUCHI LEAD ACETATE PAULY HOSKIN-COLE G W H Y C R HAIR GELATIN CASEIN PEPTONE Identify the amino acid that will give the following data: BIURET NINHYDRIN XANTHOPROTEIC MILLON-NASSE SAKAGUCHI LEAD ACETATE PAULY HOPSKIN-COLE - + + + - - + - Name of amino acid: structurte of the amino acid:Based on this video https://www.youtube.com/watch?v=rKng5-ij6kQ Provide a schematic diagram for the Molish ’s test methodologies in determining the presence of carbohydrates. Also, give the basic principle for the test.Owing to their structural similarity, separation of mixtures of organic compounds (such as the isomers 1-t- butyl-, 3-t-butyl-, and 4-t-butylcyclohexene) often proves difficult. Silica gel chromatography, however, can be used with some success provided that sufficient silica gel is used to provide optimal separation. Consider, for example, the TLC plate pictured at right after developing and UV visualization where prior to elution, lanes A and B were spotted with 1-t-butylcyclohexene and lanes B and C spotted with 4-t- butylcyclohexene. Which of the following must be true? In the space provided, indicate the CORRECT answers (as 1, 2, and/or 3) then explain your reasoning for all three statements. 1. 1-t-butylcyclohexene elutes faster than 4-t-butylcyclohexene. 2. The R; for both 1-t-butylcyclohexene and 4-t-butylcyclohexene are equal. 3. 4-t-butylcyclohexene is less polar than 1-t-butylcyclohexene
- Name: Report Sheet: Proteins (page 4) Would the Ninhydrin test be reliable in determining the presence of proteins? Explain. Will any amino acid having an aromatic ring give positive Xanthoproteic test result under identical conditions? Why? Do most proteins give a positive Xanthoproteic test? Why or why not? For what chemical group is Millon's reagent a test? Write the formula and the name of the amino acid for which this reaction is a test. What chemical grouping is responsible for a positive Hopkin's-Cole Test? What element in the amino acid is detected to be present in the lead acetate test? 31 | Biochemistry. 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.Discuss the color changes that occurred in EDTA titration. Show the formula if necessary.
- What is the phenol red test? Please explain the testing and its results and the chemistry behind it? Please explain for a beginners level. Thank youStudy the given structures below. Which of the following are epimers? H. H- HO- но H- H- он но H- H- OH HO- но- но H- но- -- но -H но- H- но- HHOH CH;OH H- O- -OH- H- OH CH;OH ČH;OH CHOH D-Gul D-Ido D-Gal D-Tal D-Gul and D-Ido D-ldo and D-Gal D-Gal and D-Tal D-Gul and D-Gal None of the given optionsBased on this video https://www.youtube.com/watch?v=rKng5-ij6kQ Provide a schematic diagram for the Benedict's test methodologies in determining the presence of carbohydrates. Also, give the basic principle for the test.