Chapter 3 Crossword

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Across
  1. 3. potential, ,voltage across the neuronal membrane
  2. 6. driving force, ,difference in actual membrane potential and a specific ion’s ionic equilibrium potential
  3. 7. ,a positively charged ion
  4. 9. ,a positive change in membrane potential from -65mV
  5. 13. potassium pump, ,a membrane enzyme that pumps 3 sodium ion out and 2 potassium ion in
  6. 14. pump, ,an enzyme in the membrane that pumps calcium ions out of the cell
  7. 15. membrane potential, ,the electrical charge difference in the membrane when action potentials are not occurring
Down
  1. 1. ,a negatively charged ion
  2. 2. ,a single atom or an entire molecule that has a net electrical charge
  3. 4. brain barrier, ,a specialization of the walls of brain capillaries that limits the movement of bloodborne substances into the extracellular fluid of the brain
  4. 5. potential, ,force exerted on a charged particle, measured in Volts
  5. 8. ,a property of some ion channels to open or close
  6. 10. bilayer, ,the double sheeted neuronal membrane made of phospholipids, studded with proteins
  7. 11. potential, ,it is brief condition where the inside side of the membrane becomes more positive instead of negative
  8. 12. pump, ,proteins embedded in the phospholipid bilayer that uses ATP as an energy source to transport ions across the membrane