Question

which of the following are not one of the tenets of the cell theory?
a. all organisms are composed of one or more cells
b. the cell is the basic unit of structure & organization in living organisms
c. all cells have the same shape and function
d. all cells come from pre - existing cells

Explanation:

Cell theory states that all organisms are made of cells (A), cells are the basic unit (B), and cells come from pre - existing cells (D). Cells vary in shape and function (e.g., nerve vs. red blood cells), so C is not a tenet.

Answer:

C. All cells have the same shape and function