Question

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

Answer 1

the basic unit of life is a cell

Answer 2

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.