Osmosis and diffusion are related in that a. both are methods to stop movement of molecules across a cell membrane b. osmosis is the movement of water across the cell membrane by diffusion c. both involve the movement of large molecules across the cell membrane d. both processes only work in red blood cells

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?