unit - cells, system and energy
gel-like substance , residing between the cell membrane holding all the cell's internal sub-structures (called organelles).
the middle of the cell
|cell membrain|| |
the door to the cell(controes what eters the cell)
Flickr Creative Commons Images
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- "cytoplasm" image
- "nucleus" image
- "mitochondria" image
- "cell membrain" image
- "cell wall" image
- "chloroplast" image
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