BIOL 112 Lecture Notes - Lecture 4: Lipid Bilayer, Monosaccharide, Macromolecule

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12 Sep 2018
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Amino group from incoming amino acid is added to the carboxyl group of the first amino acid. N (amino) terminus - amino acids - c (carboxy) terminus: nucleic acid. 5" end (phosphate group) of the incoming nucleotide is added to the 3" end (hydroxyl group) of the first nucleotide. 5" end - nucleotides - 3" end: carbohydrate. Carbon 4 of the incoming monosaccharide is added to carbon 1of the first monosaccharide: lipid. Fatty acids (tail) is attached to a non-identical molecule (head) Polarity - property of having two chemically distinct ends: proteins, nucleic acids and carbohydrates have polarity, protein ends: n terminus, c terminus, nucleic acid ends: 5" end, 3" end, carbohydrate ends: 4" prime carbon, 1" primary carbon. Intermolecular interaction: bond that holds neighbouring molecules (represented by dashed lines) Intramolecular interaction: bond that holds atoms in a molecule (represented by solid lines)

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