Just like animals, plants are made of tiny little cells. Like animal cells, basic plant cells have a nucleus, a cell membrane and cytoplasm. They've also got a vacuole, chloroplasts and a cell wall, ...

When plants evolved a vascular system containing cells that facilitate the transport of water and nutrients, this not only allowed them to conquer land, but also provided the structural stability that ...

Asymmetrically transported auxin-efflux carriers cause a polarized flow of auxin, which leads to the formation of continuous columns of procambial cells. In addition, one or more ...