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18 Cards in this Set

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polyunsaturated fatty acid
an unsaturated fatty acid whose carbon chain "tail" has more than one double or triple covalent bond between carbon atoms per molecule; found chiefly in fish, corn, soybean oil, safflower oil
unsaturated fatty acid
fatty acid whose carbon chain "tail" has at least one double or triple covalent bond between carbon atoms per molecule
saturated fatty acid
fatty acid whose carbon chain "tail" has only single covalent bonds between carbon atoms; no double or triple covalent bonds between carbon atoms are present
fatty acid
molecule with a backbone of up to 36 carbon atoms in a long chain or "tail", a carboxyl group at one end, and hydrogen atoms at most or all of the other bonding sites
fats
kind of lipid having 1, 2, or 3 fatty acids attached to a glycerol
glycerol
three-carbon compound with 3 hydroxyl groups; component of fats and oils
carboxyl group
-COOH (ionized: -COO- )
hydroxyl group
-OH ( alcohol )
amino group
-NH2 (ionized: -NH3+ )
phosphate
PO4-3
organic compounds
has backbone of carbon atoms arranged in chains or rings -- have hydrogen, oxygen, nitrogen, and other atoms attached
four classes of biomacromolecules
Carbohydrates, Lipids, Proteins, Nucleic Acids
polypeptide chain
3 or more amino acids connected by peptide bonds
hemoglobin -- biomacromolecule?
protein -- oxygen transporter
cutin -- biomacromolecule?
lipid -- a basic waxy substance of plant cuticles
glucose -- biomacromolecule?
carbohydrate -- monosaccharide simple sugar, main energy source of most organisms
structure levels of proteins
Primary, Secondary, Tertiary, Quaternary
basic subunit of a protein
amino acid