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Cells
Cell theory
- The cell is the basic unit of all living organisms.
- All cells come from a pre-existing cell.
- All living organisms are made up of one or more cells.
Endosymbiotic Theory
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They may have evolved when multiple cells joined together into one. They began to live in what we call symbiotic relationships
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The mitochondrion and the chloroplast are both organelles that were once prokaryotes that ended up inside of other cells (host cells).
Classification
Prokaryotic cells
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Plasmid: Small circles of DNA that carry a few genes, found in the cytoplasm
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Eukaryotic cells
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Vacuole: Stores, breaksdown substances; increaces cell surface area.
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Endoplasmic Reticulum: protein, lipid synthesis; carbohydrate, fatty acid breakdown
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