Which of the following is not a postulate of cell theory?
A. Cell is the basic unit of life.
B. All cells develop from pre-existing cells.
C. All living cells have cell walls.
D. All living organisms are composed of cells.
Answer:C
Which of the following is not a postulate of cell theory?
A. Cell is the basic unit of life. B. All cells develop from pre-existing cells. C. All living cells have cell walls. D. All living organisms are composed of cells.