text-only page produced automatically by LIFT Text
Transcoder Skip top navigation and go to page content
National Science Foundation
Biology - An overview of NSF research
next page Biology Home
next page More Research Overviews
A Tour of the Cell - Although the cell is the smallest unit of life, it is by no means simple. Click on an item in the above image to learn more.Cell MembraneNucleusDNARNAEndoplasmic ReticulumMitochondriaMoreFull Illustration
Credit: Nicolle Rager, National Science Foundation