The real question you should be asking is jellyfish, mushrooms, oak trees, and bacteria contain cells. Which component of cell theory does this best illustrate? The answer to this question you should be asking is It is A because in the introduction it talked about how Matthias Schleiden and Theodor Schwann determined that all living things are made of cells (so any living organic organism) However, many other scientists like Rudolf Virchow contribute to the theory.
please mark brainlyest if I’m right
