what make the plant rigid（in the cell wall）

what make the plant rigid（in the cell wall） Explain the role of the plant cell wall in limiting osmotic what is the difference between plant cell and animal cell cy What are the materials of rigid tube? what is the cell? which diagram best illustrates who the plant cell will appea What ___ the plant need? what dose the plant need? opening in the cell dooraid the jailer Kitty is in the plant house （ in the plant house划线）划线部分提问 .. What is the Great Wall called in china?什么意思 通信：what is the maximum number of callers in each cell in a G