levee
cell wall keeps cells shapecell membrance keeps cell wall strong
A levee is a high wide wall built along the banks of a river to prevent flooding by containing the water within the river channel.
The Great Wall of China.
It went over smaller rivers such as at Jiumenkou. See photos at great wall forumIt went up to the edge of larger rivers and stopped there, continuing on the other side.
keeps it from dispersing into the environment
cell wall
Cell wall keeps the form of a plant cell
Lehman brothers
It's a wall, made out of a soap bubble, that either surrounds a cell,or surrounds some "object" within a cell.(e.g. the nucleus)its what keeps everything inside of the cell closed in.. kind of like our skin keeps us from losing all of our insides.
it keeps the west berlin from going to the east
Cell Wall
The cell wall keeps the structure contained and rigid, and the chloroplast makes chlorophyll for photosynthesis.