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Unformatted text preview: anomer of the aldohexose you drew above. (c) How many stereoisomers of the aldohexoses you drew are theoretically possible? 3. In the following structure: (a) How many of the monosaccharide units are furanoses and how may are pyranoses? (b) What is the linkage between the two monosaccharide units (make sure to indicate the carbon numbers). 4. In glycoproteins, the carbohydrate moiety can be attached through which 3 amino acid residues? 5. Approximately how many amino acid residues in the shortest helix segment in a protein that will span a membrane bilayer? Why? 6. Which vitamin is derived from cholesterol? 7. Describe the differences between a proteoglycan and a glycoprotein. 8. Draw the structure of a triglyceride in comparison with a glycerophospholipid. Make the fatty acid chains each 8 carbons long and fully saturated (you do not have to draw hydrogen atoms of the fatty acid chains)....
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- Spring '08