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19 terms

Biochemistry

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atom
VERY small particle made of protons (+), electrons (-) and neutrons (no charge)
subatomic
smaller than an atom
molecule
two or more atoms bonded together
bond
chemical linkage between atoms
electron
negatively charged subatomic particle responsible for true bonding
compound
molecule made of more than one type of atom
polar
molecule that has opposite charges at each end
hydrogen bonding
attraction between positive charge on a hydrogen in a dipole and the negative end of another molecule. Think water!
monomer
molecule that can bond to other similar molecules to form a larger molecule
polymer
molecule made of many monomers bonded together
macromolecule
big molecule
carbohydrate
sugar molecules (monosaccharides AND polysaccharides)
monosaccharide
single sugar molecule (monomer)
polysaccharide
many sugar molecules bonded together (polymer)
nucleotide
monomer used to build nucleic acids (5 types)
nucleic acid
polymer consisting of a long chain nucleotides
amino acids
monomer used to build proteins (20 types)
protein
polymer consisting of long chains of amino acids
lipid
macromolecule consisting of a long chain of carbon and hydrogen atoms