Caption: "A diagram of a typical prokaryotic cell."
"A prokaryote is is a unicellular organism that lacks a membrane-bound mitochondria, or any other membrane-bound organelles" (Wikipedia: Prokaryote, slightly edited).
Most would judge unicellular organisms to be more complex than stars.
Credit/Permission:
Mariana Ruiz Villarreal (AKA User:LadyofHats),
2008 /
Public domain.
Image link: Wikimedia Commons:
File:Average prokaryote cell- en.svg.
Local file: local link: prokaryote_cell.html.
File: Biology file:
prokaryote_cell.html.