Question

Which of the following statement is true?
A. Since all cells carry cellular respiration, they contain mitochondria.
B. A cell cannot be subdivided into smaller units that maintain the living state.
C. Plant cells contain chloroplasts and no mitochondria while animal cells contain mitochondria and no chloroplasts.
D. The cell membrane's function is to prevent diffusion of any substances into or out of the cell.

Answer 1

A is false, not all cells undergo repiration. Some use fermentation. C is false because plants cells do contain mitochondria, and D is false also. It allows diffusion, not prevents. B is the best answer. A cell is defined as the smallest unit in the body in which it is considered living.