Multiple choice

Which type of transport creates an electrochemical gradient in nerve cells?

  1. diffusion

  2. facilitated diffusion

  3. co-transport

  4. bulk transport

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Co-transport (or secondary active transport) uses the energy from an existing electrochemical gradient to move other molecules across the membrane. This is essential for nerve cell function, such as the sodium-glucose symporter.