Which is not part of the cell theory? a) all cells come from existing cells. b) microscopic organisms are not made of cells. c) all living things are made of one or more cells. d) cells are the basic unit of structure and function in living things

The one that is not apart of the cell theory is  B) Microscopic organisms are not made of cells.

Cell theory

idea that all living things are composed of cells, cells are the basic units of structure and function in living things, and new cells are produced from existing cells

Cell theory #1

Cells are the basic structure and function of a living thing.

•  Cell theory #2

All organisms are made out of cells

•  Cell theory #3

Only existing cells can make new cells

Cell theory was first proposed in 1838. Evidence obtained through additional scientific investigations resulted in the current cell theory. Which statement describes a component of the original cell theory that was removed because of the new scientific knowledge? 
*Cells form through spontaneous generation.*

Compound light microscope