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Raven Biology Chapter 3 Notes

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Gavin Morgan 9/11/2015 Chapter 3 2-Point Notes Carbon: The Framework of Biological Molecules Functional groups account for differences in molecular properties: 1. Carbon and hydrogen atoms have similar electronegativities, therefore, their electrons are evenly distributed. 2. Other molecules are polar, which causes other molecules to attach. Isomers have the same molecular formulas but different structures: 1. Isomers have the same molecular formula but exist in different forms. 2. Enantiomers are isomers that are mirror images of each other. Biological macromolecules include carbohydrates, nucleic acids, proteins, and lipids:

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