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Cells
| Question | Answer |
|---|---|
| cells | the simplest unit of biological organization |
| spontaneous | the formation of living organisms from nonliving matter |
| cell theory | the basic unit of life cells come from preexisting cells cells vary widely in structure and function |
| plasma membrane | separates a cell's contents from the environment |
| cells | classified according to their degree of organization |
| prokaryotes | include members of organization |
| domain | one of the three broad categories into which all organisms are grouped |
| eukaryotes | a nucleus containing their DNA |
| organelle | a distinct structure or compartment within a eukaryotic cell that performs specific tasks |
| plant cells | several unique features |
| endosymbiosis | a relationship between two organisms where one organism lives inside the body or cells of another organism |