Which is NOT part of cell theory? A-The basic unit of life is the cell.
B-Cells came from preexisting cells.
C-All living organisms are composed of cells.
D-Cells contain membrane-bound organelles.

The model illustrates a process by which a substance is taken up by a cell. which statements describe the process? a. the model shows the process of endocytosis. b. the process shown in the model requires energy from the cell. c. the cell membrane in the model remains intact throughout the process. d. the model shows the process of facilitated diffusion.