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29 Cards in this Set

  • Front
  • Back
element
a substance that ordinarily cannot be broken down chemically to form
simpler kinds of matter
amino acids
one of 20 monomers that
form proteins
base
any substance that increases the concentration of hydroxide (OH – ) ions
when added to a water solution
catalysts
a chemical that reduces the amount of activation energy needed for a
reaction but is not a reactant
covalent bond
a bond that forms when two atoms share one or more pairs of
electrons
DNA
a double-helix-shaped nucleic acid
atom
the simplest particle of an element that retains all the properties of that
element
polypeptide
a long chain of several amino acids
organic
a compound that is derived from living things and contains
carbon
polar compound
a compound with one side having a negative charge and the
other side a positive charge
molecule
a chemical structure composed of one or more atoms
carbohydrates
an organic compound present in the cells of all living things and
a major organic nutrient for humans
fatty acids
a monomer that is part of most lipids
hydrolysis
the splitting of a molecule through reaction with water
ionic bond
a bond formed by electrical attraction between two oppositely
charged ions
nucleic acid
an organic molecule, DNA or RNA, that stores and carries
important information for cell function
lipids
a kind of organic compound that is insoluble in water, such as fats and
steroids
products
a compound formed by a chemical reaction
compound
A combination of two or more elements or parts
isotope
one of multiple forms of a chemical element that has a different number
of neutrons than other atoms of that element
proteins
an organic compound composed of one or more chains of polypeptides,
which in turn are formed from amino acids
condensation
a chemical reaction, also called dehydration synthesis,
in which one molecule of water is produced
acid
any substance that increases the concentration of hydrogen (H+) ions when
added to a water solution
reactants
a compound or atom involved in a chemical reaction
proteins
an organic compound composed of one or more chains of polypeptides,
which in turn are formed from amino acids
condensation
a chemical reaction, also called dehydration synthesis,
in which one molecule of water is produced
acid
any substance that increases the concentration of hydrogen (H+) ions when
added to a water solution
reactants
a compound or atom involved in a chemical reaction
non polar molecule
The opposite of polar molecule; does not have an unequal distribution of molecules