Concept
Version 7
Created by Boundless
Endocytosis
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"OpenStax College, Bulk Transport. October 16, 2013."
http://cnx.org/content/m44419/latest/Figure_05_04_01.jpg
OpenStax CNX
CC BY 3.0.