lec06-09 - because the active flux(driven by the pump...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Figure 5-36 The Na-K pump: • The dissipation of ionic gradients is prevented by a Na-K pump. • The pump moves 3 Na + out and 2 K + in using energy from ATP hydrolysis. • When the cell is at rest, the net flux of each of these ions is ZERO,
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: because the active flux (driven by the pump) compensates the passive flux (due to diffusion). • At rest, metabolic energy must be used to maintain the ionic gradient across the membrane. KIN 205: Chapter 5 (review)...
View Full Document

This note was uploaded on 12/22/2011 for the course KIN 205 taught by Professor Blaber during the Fall '09 term at Simon Fraser.

Ask a homework question - tutors are online