Living Environment Translated Arabic 2014 | Page 24

2. General Notes
a. A cell is the smallest unit of life that is capable of
performing life functions.
b. The cell theory states that all cells come from other cells
and cells are the unit of structure and functions in all
organisms.
c. Prokaryotic cells that do not have a nucleus or other
membrane-bound organelles.
d. All eukaryotic cells have a cell membrane, cytoplasm, and a
nucleus.
e. Most of the cell’s life processes occur in the cytoplasm.