The central compound found in the structure of sphingolipids: OA. glycerol OB. sphingosine O c. ceramide D. phosphocholine 5
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- Column A shows the names of some of the c functional groups. Column B shows their structure. Match each entry in column A one in column B.Sphingolipids can contain of all of the following except A. glycerol. B. sphingosine. C. phosphocholine. D. a mono- or oligosaccharide.Which of the following linkages is found in sphingolipids? a. sphingosine-choline-phosphate b. sphingosine-phosphate-choline c. phosphate-sphingosine-choline d. none of the above
- Column A shows the names of some of the important functional groups. Column B shows their structures. Match each entry in column A with one in column BAfter the removal of all sugar units from a ganglioside, what molecule remains? A. sphingosine B. a ceramide C. a glycerol D. a phosphateWhy are polyunsaturated omega 3 acids considered as good for our health? Explain such phenomena based on their chemical structure
- Glycine hydrochloride (Cl− H3N+CH2COOH) is a diprotic acid that contains a carboxylic acid group and an ammonium group and is therefore called an amino acid. It is often used in biochemical buffers. Solve, (b) Write the chemical equations describing the dissociation of the first and second protons of Cl−H3N+CH2COOH.Amylopectin has which of the following structural features? a. only α(1,4) glycosidic linkages b. only β(1,4) glycosidic linkages c. both α(1,4) and α(1,6) glycosidic linkages d. both α(1,4) and β(1,6) glycosidic linkagesUnlike a phospholipid, cholesterol hasa. a glycerol backbone.b. a polar phosphate group.c. a multiple ring structure.d. unsaturated fatty acid chains
- Write an ionization of chemical structure to show the ionic dissociation reaction of aspartic acids and Valine.At pH ___, the pentapeptide AEHVC would contain two positively charged groups and one negatively charged group. a) 7 b) 3 c) 1 d) 9 e) 5 The answer was b, but I do not know why.Which of the following statements correctly describe(s) the general structure of steroids? a.2 6-membered ring and 2 5-membered ring b.3 6-membered ring and 1 5-membered rings c.1 6-membered rings and 3 5-membered ring d.3 6-membered ring and 1 4-membered rings