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