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Wednesday, November 17, 2010

cell structure


animal cell: 
Animal cells are mostly eukaryotic cells like the plant cell, which means is it surrounded by the plasma membrane. The plasma membrane is barrier that lets nutrients enter and the waste to leave. There is one nucleus which contains for cell growth and reproduction. The cytoplasm has organelles, its is surrounded by the membrane. The cell walls allow the animal cell to develop to different cell types such as tissues and organs. The cilia and flagella are organisms that move fluids past the immobile cell. The lysosmose breaks down cellular waste.



plant cell:
Plant cells is some what like the animal cell, but they are different in some ways. What I think is cool about the plant cell is that they can make their own food. Chlorophyll give the plant the green color, because it lets the cell use sunlight to convert water and carbon dioxide into sugar and carbs. Plant basically have two types, the vascular and non-vascular. Vascular plants are better because they have xylem. The animal cell has to have protein to get nutrients but the plant cells are able to use inorganic forms, which means they do not need an outside source of protein. The parts in the cell structure basically do the same as the animal cell like and ribosome, nucleus, and so forth. Animal cells don't have rigid cell walls like the plant cell. The plant cell contains are bigger central vacuole. The plant cell form carbon dioxide into sugar and the animal cell has to break down the carbon dioxide to make its energy.

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