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Unformatted text preview: of<. '" L CHEM 3511: Survey of 6iochemistry Quiz #5 - June 29, 2010 This quiz was completed in compliance with the Georgia Tech Honor Code. ANSWER KEy Print Name Signature Roster # 1. What amino acid is used to covalently attach sugars to proteins via an N-Iink? (5 points) 2. Saturated fatty acids contain _----LfV~O~J-1f'J7'F-.:....:O~- double bonds within their hydrophobic tail. (5 points) 3. Which of the following lipids has a net neutral charge? __...... A ,. (5 points) @ Phosphatidylethanolamine)ltt' 1 '" + '" :. 1"2- b. Phosphatidylserine tl-\t' \\ 7-\0 5" - I "2- c. Phosphatidylglycerol.\..\-\-r \ ~ 1" 5" -:::: t I d. Sphingosine JHf 1 vt 10 -=- I Cp e. Palmitate % % ll\ \ ~+ II ~ 2..4 4. Olestra is a synthetic lipid that passes through the intestinal tract undigested and is used to make "low-calorie" chips and snacks. Prior to its approval, the FDA requtred Proctor & Gamble, which markets Olestra, to add vitamins A, D, and K to its products containing the synthetic lipid. Explain markets Olestra, to add vitamins A, D, and K to its products containing the synthetic lipid....
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