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Ch. 4 Carbon and the Molecular Diversity of Life
Vocab and Topic Review for Ch. 4 of Cambell Biology Ninth Edition
9
Biology
Undergraduate 1
12/10/2011

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Term
Carbon's Bonding Pattern
Definition
  • Carbon can form long chains and rings, especially with Hydrogen attatched
  • Compounds with just Carbon and Hydrogen are Hydrocarbons (non polar compounds like oil and waxes)
Term
Properties of Hydrocarbons
Definition
  • They have low melting and boiling points
  • Flammable
  • Non polar and mix poorly with water
  • Used for many of our fuels
  • Tend to burn in combustion reactions
Term
Carbon Compounds
Definition
  • Carbon Chains- When many carbons are bonded together to make long chains or rings (often consist of many hydrocarbons bonded together)
  • Hydrocarbons- Carbon atoms bonded only with Hydrogen
  • Fuctional Groups- Specialized clusters of atoms covalently bonded to Carbon (many organic molecules are long chains or rings of HC bonded to functional groups
Term
Molecular Diversity from Carbon Skeleton Variation
Definition
  • Isomers-2 compounds with same molecular formula but different chemical and physical properties
  • Structural- completley different atom arrangement from each other
  • Geometric- different atom arrangement around carbon double bond
  • Enantiomers- mirror images of each other
Term
Chiral
Definition
Describes a molecule that is different from its mirror image enantiomers are chiral
Term
Archiral
Definition
Describes a molecule that is the same as its mirror image
Term
Functional Groups
Definition
  • Hydroxyl
  • Carbonyl
  • Carboxyl
  • Amino
  • Sulfhydryl
  • Phosphate
  • Methyl
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