homework4 - ) 12 CH 3 H 2 C O P O O(CH 2 ) 2 N(CH 3 ) 3 + C...

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Homework #4 Name _________________ Chem 30B 1. (8 pts) Identify the type of lipid each of the following molecules belongs. Choose from the following categories; wax, triglyceride, phospholipid, glycolipid, fatty acid or steroid. a) b) _____________________________ _____________________________ c) d) _____________________________ _____________________________ 2.(2 pts) Explain why unsaturated fatty acids have lower melting points than saturated fatty acids. 2. (4 pts) Circle and label the four major components of this molecule. HO H 2 C O C O (CH 2 ) 16 CH 3 HC O C O (CH 2 ) 46 CH 3 CH 2 O OH O OH OH CH 2 OH (CH 2 ) 19 CH 3 O C H 3 C(CH 2 ) 28 O H 2 C O C O (CH 2 ) 16 CH 3 HC O C O (CH 2 ) 46 CH 3 H 2 C O P O O(CH 2 ) 2 NH 3 + O-
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CHOH HC N H C O (CH 2
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Unformatted text preview: ) 12 CH 3 H 2 C O P O O(CH 2 ) 2 N(CH 3 ) 3 + C H C H H 3 C(CH 2 ) 12 O-3 (8 pts) .Answer the following questions. a) What is the function of LDLs and HDLs. b) In the lipid bilayer of cell membranes, which part of the phospholipid is found in the center of the bilayer? c) What products are formed from the complete hydrolysis of a natural wax? d) What structure is found in all steroids? 5. (3 pts)Write the saponification reaction with sodium hydroxide and the following molecule. H 2 C O C O (CH 2 ) 16 CH 3 HC O C O (CH 2 ) 16 CH 3 H 2 C O C O (CH 2 ) 18 CH 3...
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This note was uploaded on 09/02/2011 for the course CHEM 30b taught by Professor Harrison during the Spring '11 term at West Valley.

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homework4 - ) 12 CH 3 H 2 C O P O O(CH 2 ) 2 N(CH 3 ) 3 + C...

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