1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Some help please

  1. Nov 9, 2005 #1
    this is a figure from a neuron
    can anyone explain why not sodium ions cross the cell membrane?
  2. jcsd
  3. Nov 9, 2005 #2
  4. Nov 14, 2005 #3
    perhaps you can search Na/K ATPase
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?