Is it because there wouldn't really be an resting membrane potential? I.e the membrane would never truly be at rest because of the different permeabilities and equilibrium potentials of the ions? Therefore an action potential would not be able to be created. If the whole purpose of the concentration gradients is to create an action potential, why can't the membrane be non polar and then instead of depolarising the membrane at threshold, it would merely, polarise it? this would still create an action potential would it not? I don't understand WHY there is a whole mechanism to maintain these gradients when an action potential could still be created if the membrane at rest was non polar. Lake Highlands High School Order Form Homecoming Date: September 22, 2023. In Lewisville ISD, our promise to our students, staff, parents and the communities we serve is simple - All of our students enjoy thriving productive lives. The location is open to the public Monday through Friday. I understand the mechanisms, but what is the actual point in maintaining the concentration gradients?Īs the article states, if the sodium/potassium pump ceased to function, the concentration gradients would dissipate. Highland Prep Governing Board will be posted on the front of the school office and on our website. Lake Highlands High School is a highly rated, public school located in DALLAS, TX.
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