Which is a component of cell theory? 1) Cells come from bacteria.
2) Cells come from cells.
3) Cells come from nonliving matter.
4) Cells come from non-cells.

A postulate that is part of the cell theory is cells come from cells (option 2).

Explanation:

The third postulate of the cell theory is "All cells originate from other cells".

After Schleiden and Scwann proposed the first postulates of the cell theory, in 1863 the anatomist Rudolf Virchow observed how cells were able to reproduce themselves and give rise to new cells, in the context of his studies on cancer. The third postulate of the theory is due to this scientist, who was able to conclude that every living cell originates from another cell.

The three postulates of the cell theory are:

Based on this contribution from three scientists, the foundations of cell biology were laid.

The other options are not correct because:

physical health, mental health, emotional health, social health, and spiritual health

the answer is d

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