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Cell theory teaches that _____.

all cells come from other cells

all living things are made up of a cell or cells

cells are the basic building blocks of life but do not constitute life itself

Verified Answer :

the basic unit of life is a cell

Answer: The correct answer for blank is- all living things are made up of a cell or cells, and all cells come from other cells.

Cell theory was given by Schleiden and Schwann in 1839. According to this theory,

  • Cell is considered as a basic structural and functional unit of all life forms.
  • All life forms are made up of one or more cell.
  • Cell arise from other cell that already existed before.

Thus, option first and second are the right answer.