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Macromolecules: The Chemistry of Life

AB
Carbohydratescompounds made up of carbon, hydrogen and oxygen in a ratio of 1:2:1.
Polymerizationthe process in which large compounds are built by joining smaller ones together
Monosaccharidesingle sugar unit; the monomer of carbohydrates.
Polysaccharidea long chain of monosaccharides joined together.
Cellulosea polysaccharide used by plants that provides strength and rigidity.
Glycogena polysaccharide used by animals to store excess sugar.
Lipidsare fats, oils and waxes; generally not soluble in water and used to store energy. Made up of fatty acids bonded to a glycerol molecule.
Phospholipidsform biological membranes
Nucleic Acidsstore and transmit hereditary information.
Two types of nucleic acidsDNA and RNA
Saturated fatty acidhas the maximum number of hydrogen bonds.
Unsaturated fatty acidhas less than the maximum number of hydrogen bonds (at least one double bond).
Proteinpolymer that is made up of amino acids
Amino Acidthe monomer of proteins
Enzymesbiological catalyts; speed up chemical reactions by lowering activation energy
activation energythe amount of energy required to get a reaction to start.
factors that affect enzyme funcitontemperature, pH, and concentration
active sitethe part of the enzyme that the substrate binds to.
Substratethe molecule acted on by an enzyme.
Productsthe result of a chemical reaction.
polymerlarge molecule formed by the joining of individual units or monomers.
monomersimplest unit of a biological molecule.
DNAdexoyribonucleic acid
RNAribonucleic acid
Structure of a lipidLooks like,
structure of an amino acidLooks like,
structure of a proteinlooks like,
structure of a starchlooks like,


8th Grade Science Teacher
St. Louis School Hawaii
Honolulu, HI

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