Which of the following is NOT a principle of the cell theory? A. Every cell reproduces within lifetime. B. Cells are the basic unit of life. C. All living things are made up of cells. D. All cells are produced by existing cells

Cell theory was given by Schwann and in 1839. The following is not the principle of cell theory:

Option A. Every cell reproduces within lifetime

Cell theory was given by Schwann, which explains the basic units of living beings. The four main principles of cell theory are:

Therefore, the cell theory have several principles, out of which every cell reproduces within a lifetime is not the cell theory's principle.

To know more about cell theory, refer to the following link:

link

A. Every cell reproduces within lifetime.

Explanation:

The cell is the basic and fundamental unit of life. It is on the cell that life associations like organs, systems and tissues are organized.

The theory is made up of four parts;

d) center of the mid-ocean ridge

give brainleysest

sinserly,

steckh986

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.