2. In a pseudostratified epithelium, …………………………………………….
1. all cells rest on a basement membrane. 
2. all cells reach the free surface, but only some rest on the basement membrane.
3. all apical cell membranes are modified as microvilli.
4. there are two layers of cells, and only the basal cells rest on the basement membrane.
5. there are two layers of cells and two levels of nuclei.