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chemistry week 11 notes

by: Hanna Notetaker

chemistry week 11 notes CHEM-10055-003-201580

Hanna Notetaker
Bansidhar Datta (P)

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Chemistry week 11 notes, all from Wednesday: lipids, cells, carb. acids
Bansidhar Datta (P)
Class Notes
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This 3 page Class Notes was uploaded by Hanna Notetaker on Monday November 23, 2015. The Class Notes belongs to CHEM-10055-003-201580 at Kent State University taught by Bansidhar Datta (P) in Fall 2015. Since its upload, it has received 44 views. For similar materials see MOLECULES OF LIFE in Chemistry at Kent State University.


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Date Created: 11/23/15
Chem week 11 Cholesterol 0 Fatty acids9 9 9 cholesterol ester 0 Cholesterol ester hydrophobic insoluble in water 0 Cholesterol comes for diet and liver 0 Cholesterol binds to proteins polar molecules then becomes a new compound LIPOPROTIENS I Lipoproteins cholesterol fatty acids protein complex 0 4 different groups of Lipoproteins I High density lipoproteins HDL more protein 33 less cholesterol 30 I Low density lipoproteins LDL less protein 25 more cholesterol 50 I Very low density lipoproteins VLDL proteins triglycerides proteins and fat usually from the liver I chylomicrons proteins and fatty acids from diet found in the intestines 0 amount of cholesterol in blood ranges from 680 mg 175 mglOOmL I water in blood serum high blood pressure 9 arteries narrow9 heart attack or stroke Carboxylic Acids o simple9 complex9 very complex I eg saturated unsaturated fatty acids9 lipids o polarity solubility and lipid bilayer formation of carboxylic acids create plasma membranes 0 cell membrane deals with the import and export of molecules ions drugs etc 0 cell membrane sustains life Lipids o Glycerol saturated fatty acids stearic acid 0 Glycerol unsaturated fatty acid oleic acid 0 Glycerol phosphate group PO43 o Glycerol functional group Cell Membrane o The lipid phosphatidyl choline water insoluble o This makes up the lipid bilayer boundary of cell so H20 cant enter exit Forms on the outer edge of cell cell membrane Polar heads repel each other Hydrophobic core Water is on the inside and outside of a cell All living organisms have this structure in cells Life forms began underwater Proteins act as channels to get molecules in and out of cell OOOOOOO Cellular Import amp Export 0 ATD imported 9 Blood cant enter cell but it can dump things like glucose fructose ions amino acids and growth factors around the cell and they will enter through protein channels 0 ATP C02 leaves cell in export 0 Universal process of importing through channels amp exporting how life is sustained Amino Acids 0 Amino acids 9 9 proteins enzymes cellular functions life 0 Carboxylic acid amino group amino acid 0 o O O O O R variable NH2 amino group COOH carboxylic group Properties of amino acids O 0000 Polar molecules Soluble in water Solid Have chiral center optically active all except gylcerine 22 amino acids in human body 0 all are L configuration except gylcerine if the R group H the amino acid glycerine if the R group CH3 the amino acid Alanine Ala or A if the R group isopropyl group CHCH3CH3 the amino acid Valine Val or V O 0 all sugars D configuration all amino acids L configuration 0 bond angles 1095


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