Basic structural concepts

Basic structural concepts - Basic structural concepts...

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Basic structural concepts Macromolecule: giant molecules (many atoms, not just a few) Polymer: macromolecule made up of many smaller molecules called "monomers" Polymers are assembled by dehydration synthesis Polymers are disassembled by hydrolysis Carbohydrates Saccharides (C 6 H 12 O 6 )—sugar groups that make up many carbohydrates Monosaccharides—just one saccharide group o Examples: glucose, fructose, galactose o Also called "simple sugars" or "single sugars" Disaccharides—have two saccharide groups o Examples: sucrose, maltose, lactose o Also called "double sugars" o Polysaccharides—have many saccharide groups o Example: glycogen Examples of function: fuel, fuel storage Lipids Triglycerides: three fatty acid "tails" and one glycerol holding them together Nonpolar; hydrophobic Fuel Phospholipids: two fatty acid "tails" with a "head" containing glycerol and phosphate Tails are nonpolar; head is polar Form bilayers in water Form cellular membranes Cholesterol Source of steroid lipids
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Basic structural concepts - Basic structural concepts...

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