*What is a cell?
*The cell theory
*Unicellular vs multicellular organisms
*Domains of life
*Cell size
*Microscopy
*Surface area to volume ratio
*Cell components
source
1.1.1 The Cell
![](https://athletic.healthcare/wp-content/uploads/2021/03/1615889403_maxresdefault-1020x600.jpg)
*What is a cell?
*The cell theory
*Unicellular vs multicellular organisms
*Domains of life
*Cell size
*Microscopy
*Surface area to volume ratio
*Cell components
source