You are looking at an unknown cell through a microscope. What can you infer about a cell that lacks a nucleus????

Answer 1

http://simple.wikipedia.org/wiki/Cell

You need to scroll down from the beginning but these cells are listed.

Answer 2

its called a prokaryotic cell

Check this site for further information.

http://library.thinkquest.org/C004535/prokaryotic_cells.html

Answer 3

Oh yeah! I remember that now. I completely forgot about prokaryotes! Thanks!