Cellulose serves as a skeleton for plants
As far as I know, only the 3rd step, from all the mentioned above occur during meiosis I.
Hope it helped,
Happy homework/ study/ exam!
Microtubules are filamentous intracellular structures that are responsible for various kinds of movements in all eukaryotic cells. Microtubules are involved in nucleic and cell division, organization of intracellular structure, and intracellular transport, as well as ciliary and flagellar motility.
