Biology Crossword

3. The diffusion across a membrane requiring only random motion of molecules with no energy expanded by the cell
5. The net movement of water molecules across a selectively permeable membrane from a less concentrated solution into a more concentrated solution
7. The transport of a solid matter or liquid into a cell by means of a coated vacuole or vesicle
8. The process in which a cell ingests a smaller cell, bacterium, or a chunk of organic matter by means of the infolding in the cell membrane and the protrusion of its cytoplasm, engulfing the material
9. A type of passive transport that allows substances to cross membranes with the assistance of special transport proteins
10. The movement of ions or molecules across a cellular membrane from a lower concentration to a higher concentration, this requires energy

1. The process by which cells take small particles into themselves as the cell membrane forms a hollow called an invagination; this allows the substances inside to enter the cell
2. A gradual change in the concentration of solutes in a solution as a function of distance through a solution
3. A liquid containing a phosphate group in its molecule
4. The transport of a material out of a cell by means of a sac or vesicle that first consumes the material and then is forced out through an opening in the cell membrane
6. Means that only certain materials are able to pass through, enter, or leave through the substance
9. Describes the plasma membrane of animal cells