What are the main ideas behind the cell theory? Check all that apply.Cells come from chemicals.Cells are the basic unit of structure and function.Cells come from other cells.Cells make up all living things.Cells come from nonliving things.

Cell theory has three main ideas: all living things are made of cells, cells are the basic units of structure and function, and new cells come from existing cells. Therefore, the correct choices are “Cells are the basic unit of structure and function,” “Cells come from other cells,” and “Cells make up all living things.”

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