Bio 112 review MT!

Bio 112 review MT! - - Solubility depends on the ability to...

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- Solubility depends on the ability to make bonds between the solute and solvent. - Electronegativity: High - O > N > S = C ~ H = P - Low - In aqueous environment strength of bond order = Covalent > Ionic > Ion – Perm Dipole > PDPD > PDID > IDID - Cytoplasmic membranes are made from molecules called phospholipids = form bilayers that are non-polar in the middle. - Phospholipid bilayer is not station it has kinetic energy - Water passes through the bilayer the fasted, then non polar then polar then charged, - < 100 molecular weight passes fast - Uncharged, non polar and relatively small molecules pass the fastest through the phospholipid bilayer – water breaks this rule. - In a mixture of water and hydrophobic molecules the hydrophobic molecules clump together, this maximizes entropy of water/ mixture = hydrophobic effect - Small non polar molecules > small uncharged polar molecules > large uncharged polar molecules > ions, permeability. -
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Bio 112 review MT! - - Solubility depends on the ability to...

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