chapter 4 biology

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  1. what are hydrocarbons?
    an organic compound that consists of only hydrogen and carbon
  2. what are isomers?
    one of many compounds that have the same molecular formula but a different structure. which gives it different properties.
  3. what are the three types of isomers?
    structural isomers

    geometric isomers

  4. structural isomers
    has the same molecular formula but differs in the covalent arrangement of the atoms
  5. geometric isomers
    same molecular formula and covalent arrangement but have a different spatial arrangement of the atoms due to the inflexibility of double bonds
  6. Enantiomers
    isomers that are mirror images of each other

    the middle carbon is called an asymetric carbon because its attached to 4 different atoms or groups of atoms.
  7. functional groups
    a specific configuration of atoms attached to the carbon skeletons of organic molecules and usually involved in chemical reactions.
  8. hydroxyl group
    • -OH
    • a hydrogen atom is bonded to an oxygen atom which is bonded to the carbon skeleton of the organic molecule
    • Image Upload
  9. carbonyl
    • a carbon atom joined to an oxygen atom by a double bond
    • Image Upload
  10. carboxyl
    • an oxygen atom that is double bonded to a carbon that is also bonded to an -OH group
    • (-COOH)
    • Image Upload
  11. amino
    (-NH2) a nitrogen atom bonded to 2 hydrogen atoms and to the carbon skeletonImage Upload
  12. sulfhydryl
    a sulphur atom bonded to a hydrogen atom. resembles a hydroxyl group in shape.Image Upload
  13. phosphate
    a phosphorous atom bonded to 4 oxygen atoms. one oxygen is bonded to the carbon skeleton and 2 oxygens have - charges Image Upload
  14. methyl
    • (-OPO3H2) carbon bonded to three hydrogen atoms.
    • the methyl group may be attached to a carbon or a different atom.
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chapter 4 biology
2011-05-29 21:25:49
carbon nmolecules

Carbon and the molecular diversity of life
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