Question

which of the following statements is part of the cell theory?
a. all cells come from pre - existing cells.
b. cells are the basic units of living things.
c. all living things are made up of one or more cells.
d. all of these

Explanation:

The cell theory has three main tenets: 1) All living things are composed of one or more cells (option C). 2) The cell is the basic unit of structure and function in living things (option B). 3) All cells arise from pre - existing cells (option A). So all of these statements (A, B, and C) are part of the cell theory.

Answer:

D. all of these