Section 2 - page 17

Cell Wall & Cell Membrane


cellwall_illustration.jpg
Picture from: http://www.pleasanton.k12.ca.us/avhsstudent/63102/Bio/cellwall.jpeg


Cell Wall - rigid layer that surrounds cells of plants. The cell wall protects and supports the cell

onion_cell.jpg
Picture from: http://biology.uco.edu/bidlack/botany/botanypics/plant%20cells/Onion%20Epidermis.jpg


Onion cells under a microscope