Chapter 4: Carbon and the Molecular Diversity of Life Flashcards
Organic Chemistry
study compounds containing carbon
Valence
number of unpaired electrons in the valence shell of an atom (the number of covalent bonds it can form)
Hydrocarbons
organic molecules consisting of only carbon and hydrogen
Isomer
compounds that have the same numbers of atoms of the same elements but different structures/different properties
Structural Isomers
isomer that differ in the covalent arrangements of their atoms
Cis-trans isomers
carbons have covalent bonds to the same atoms, but these atoms differ in their spatial arrangements due to inflexibility of double bonds
Cis Isomer
a molecule where similar atoms or groups are on the same side of a double bond
Trans Isomer
a molecule where similar atoms or groups are on the opposite side of a double bond
Enantiomers
isomers that are mirror images of each other and that differ in shape due to the presence of an asymmetric carbon (one that is attached to four differ atoms or different atoms/groups of atoms)
Functional group
chemical group that are directly involved in chemical reactions
Structure and Function
organic molecule depend not only on the **arrangement of its carbon skeleton but also on the various chemical groups **(affect molecular shape, contributing to function) attached to that skeleton
Adenosine Triphosphate (ADP)
organic phosphate considered the primary energy currency of cells, storing and transferring energy needed for various cellular processes like muscle contraction, nerve impulses, and chemical synthesis (stores potential to react with water…releasing heat)