Chapter 3 Notes

Chapter 3 Notes - Saturated fatty acids- single C-C bonds...

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Ingrid Shih BIO 1305-08 30 August 2010 Chapter 3 Notes- Proteins, Carbohydrates and Lipids Molecules in living things Proteins- amino acids Carbohydrate- sugar monomers Lipids- fats Nucleic acids- nucleotides Form very distinct 3D structures with their own functions Functional Groups Hydroxyl Aldehydes Keto Carboxyl Amine Isomers Structural isomers- differ in how atoms are joined together Optical isomers- mirror images of one another Condensation and Hydrolysis Condensation- dehydration reaction Hydrolysis- input water into a reaction Proteins Enzymes Defensive proteins Hormonal and regulatory Receptor Storage Structural Transport Genetic regulatory
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Ingrid Shih BIO 1305-08 30 August 2010 Lipids Simple lipids- triglycerides Composed of glycerol and 3 fatty acids Highly nonpolar= not soluble in water
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Unformatted text preview: Saturated fatty acids- single C-C bonds Unsaturated fatty acids- single and double C-C bonds Phospholipids Amphipathic- hydrophilic head, hydrophobic tail Hydrophilic head Hydrophobic tail Bilayer- head will face out toward the water, the tails will aggregate together; Biological membranes Carotenoids Orange/reddish in color Carrots, pumpkins, tomatoes Pigment, function in photosynthesis- absorb light and pass on to the photo systems B- carotene can be broken down into 2 vitamin A Steroids Compounds with multiple Carbon rings Cholesterol, Vitamin D2, Cortisol, Testosterone Vitamins Get them from things we eat Waxes Fatty acid-Ester linkage- Alcohol Highly nonpolar...
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This note was uploaded on 03/23/2011 for the course BIO 1305 taught by Professor Eldridge during the Fall '08 term at Baylor.

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Chapter 3 Notes - Saturated fatty acids- single C-C bonds...

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