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5 Cards in this Set
- Front
- Back
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Cell Theory
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*All living things are composed of cells.
*The cell is the basic functional unit of life. *Cells arise only from pre-existing cells. *Cells carry genetic information in the form of DNA. This genetic material is passed from parent cell to daughter cell. |
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Prokaryotes
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*Have an outer cell membrane but do NOT contain any membrane bound organelles.
*NO true nucleus. *Genetic material = single circular molecule of DNA in the NUCLEOID region. **May be smaller rings of DNA = PLASMIDS. *EX. bacteria and cyanobacteria |
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Bacteria
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*Cell wall
*Cell membrane *Cytoplasm *Ribosomes *Sometimes flagella *Respiration occurs at the cell membrane |
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Eukaryotes
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*Multicellular organisms and all nonbacteria unicellular organisms.
*Bounded by a cell membrane. *Contains cytoplasm. *Cytoplasm contains ORGANELLES suspended in cytosol. *Genetic material = DNA organized into chromosomes in the membrane-enclosed organelle: NUCLEUS. |
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Plant Cells
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*Eukaryotic... Differences:
*Cell wall *Chloroplasts *NO centrioles |
