330125 - Important for forming and stabilizing biological...

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330 Microbial Genetics 1.25.12 Class Notes Slide 1: Chemical bonds: the glue that hold biomolecules together. Many, although weak, hydrogen bonds make up a rather strong interactions. Angstrom = 1 x 10-10= 0.1nm Slide 2: Covalent Bonds Bonds within a nucleotide molecule. Slide 3: Ionic Bonds Electronegative elements wants to attract negative electrons towards its nucleus. Oxygen and phosphorus are electronegative. Cations are positive, and anions are negative. Slide 4: Hydrogen Bonds
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Unformatted text preview: Important for forming and stabilizing biological molecules. Many of them needed to have a real affect on the molecule. Slide 5: van der Waals Forces Broken and formed many times within a molecule, due to movement within the electron. Many of these formed, create significant hold. Bond Lengths and Strengths Covalent. 0.15 nm length. 90 kcal/mole in vacuum. Noncovalent. Ionic. 0.25 nm in length. 80 kcal/mole in vacuum. Hydrogen 0.30 nm in length...
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