Which statement is one component of the cell theory?

A. DNA is the basis of genetic transfer

B. All living cells arise from pre-existing cells

C. All cells are composed of same organelles

D. Tissues are formed from combinations of cells

Answer: Option B

Solution(By Examveda Team)

The three parts of the cell theory are as follows:
(1) All living things are made up of cells,
(2) Cells are the smallest units (or most basic building blocks) of life, and
(3) All cells come from pre-existing cells through the process of cell division.