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2. Discuss the functions of the K+ leakage channel and the Na+ leakage channel in maintaining the resting membrane potential (2 pts). 3. Describe the relative amounts of K+, Na+, Cl-, and anionic proteins inside and outside of the cell during the resting state of a neuron (4 pts). 3. What makes the inside of a neuron negative relative to the outside (2 pts)? Which ion is responsible for establishing the membrane potential (1 pts)?
5. For each phase of the action potential, fill in the chart below indicating the state of each channel and the flow of ions through that channel. Use the words in the parentheses under each heading. Please note that NA= not applicable. (8 pts) Phase Na+voltage Nations K+ voltage K+ions gated channels (rushing in, rushing out, gated channels (rushing in, rushing out (open, closed, or NA) (open or closed) or NA) deactivated) Resting Depolarization Repolarization Hyperpolarization 6. Describe the function and purpose of the Na+/K+ pump in re-establishing the resting membrane potential? (1 pt) gastate.view.usg.edu