Chapter 4 Notes - Chapter four Carbon and a molecule our...

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Organic compound P P Chapter four Carbon and a molecule our diversity of life Cells are 80% water; the rest is mostly carbon compounds These consist of carbon and hydrogen (hydrocarbons) and may also contain O, N, P, S. (Once thought that they were only in living things) Carbon has four valence electrons; this makes it able to make 4 chemical bonds Carbon can link to carbon forming the skeletons of organic compounds 1. Carbon chains may vary in length: 2. Carbon chains maybe branched: 3. Carbon skeleton may have doubled bonds: 4. Carbon skeleton may form ring
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Isomers - compounds of the same molecular formula , but different structural formula 1. Structural isomers - different code they'll and arrangement of the atoms 2. Geometric isomers - different arrangements of the Adams about a double bond.
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Unformatted text preview: (C=C) 3. Enantiomers- different in the spatial arrangement around asymmetric carbons-They are mere images (left verses right handed versions)-Their activity could be quite different • Biological activity of isomers can be quite different • Functional groups- groups of the atoms covalently attached to a carbon skeleton-Help determine Chemical Properties of a molecule-Function as a group in chemical functions Structure Function Behavior-OH Hydroxyl Group Polar-NH 2 Amino group Basic O-O-OH Carboxyl group Acidic O-C-H O-C-Carbonyl group Aldehydes Ketones-SH Sulfhydryl group Disulfide “bridge” Phosphate group Functions in energy transfer(ATP) (see figure 4.10 and memorize)...
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  • Fall '07
  • BetteDoezema
  • Functional group, Chemical bond, Carbonyl, carbon skeleton

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