Animal and Plants Organelles

3. situation in which the extracellular fluid has the same osmolarity as the fluid inside the cell, resulting in no net movement of water into or out of the cell
4. situation in which extracellular fluid has a higher osmolarity than the fluid inside the cell, resulting in water moving out of the cell
5. process of passing bulk material out of a cell
6. transport of water through a semipermeable membrane according to the concentration gradient of water across the membrane that results from the presence of solute that cannot pass through the membrane
8. single-celled organism that lacks organelles and does not have nuclei surrounded by a nuclear membrane
10. smallest fundamental unit of structure and function in living things
11. phospholipid bilayer with embedded or attached proteins, that separates the internal content of the cell from its surrounding environment
13. cell that has a membrane-bound nucleus and several other membrane-bound compartments or sacs

1. passive process of transport of low-molecular weight material according to its concentration gradient
2. materials diffuse across the plasma membrane with the help of membrane proteins.
4. situation in which extracellular fluid has a lower osmolarity than the fluid inside the cell, resulting in water moving into the cell
5. type of active transport that moves substances, including fluids and particles, into a cell
7. core of an atom; contains protons and neutrons
9. small structures that exist within cells and carry out cellular functions
12. method of transporting material that requires energy
14. a biological concept that states that all organisms are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells