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Cell Theory
All Living things are made up of cells
Cells are the smallest working units of all living things
All cells come from pre-existing cells through cell division
Nuclear Membrane
Surrounds nucleus
Made of two layers
Openings allow material to enter and leave nucleus
Endoplasmic ReticulumMoves
materials around in cell
Smooth type: lacks ribosomes
Rough type ribosomes embedded in surface
RibosomesEach cell contains thousands
Make proteins Found on ribosomes & floating throughout the cell
Any Questions?
References: http://science-class.net/