cell theory
idea that all living things are composed of cells, cells are the basic units of structure and function in living things, and new cells are produced from existing cells
Cell theory #1
Cells are the basic structure and function of a living thing.
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Cell theory #2 All organisms are made out of cells
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Cell theory #3
Only existing cells can make new cells
Cell theory was first proposed in 1838. Evidence obtained through additional scientific investigations resulted in the current cell theory. Which statement describes a component of the original cell theory that was removed because of the new scientific knowledge?
Cells form through spontaneous generation.
