Lecture+notes+02 - Copy - Lecture Notes Bio 109 Fall 2010...

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Lecture Notes Bio 109, Fall 2010, Dr. Catherine Loudon Lecture 2 – 9/27/10 – Mass balance, mass transport, diffusion 1) Announcements a) Reminder: Quiz 1 opened Friday – you have a full week to complete it (and can take it as many times as you want) 2) Clicker question a) Which edition of the textbook are you using? 3) Fluid body compartments – differences in location and chemical composition (Fig. 5-3b) a) Intracellular b) Extracellular i) Plasma ii) Interstitial 4) Term concept check for students – solute, solvent, concentration, anion, cation, mole, prefixes such as milli, kilo, etc. 5) [Na+] and [Cl-] higher outside cells than inside cells (recommend commit to memory, mnenomic aid) 6) Fluid body compartments – (Fig. 5-3b) i) Example of homeostasis ii) Relationship of ionic concentration to mass balance and mass transport concepts (1) Mass balance: amount of X = previous amount of X + gain of X – loss of X (2) Mass balance must be considered for defined control volume (e.g. whole body, or plasma) 7) Mass transport a) Diffusion b)
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  • Spring '10
  • CatherineLoudin
  • Chemistry, Physiology, Molecular diffusion, Dr. Catherine Loudon, Lecture Notes Bio

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