| A | B |
|---|
| diffusion | process by which molecules move from an area of high concentration to an area of lwo concentration |
| osmosis | the movement of water across the plasma membrane from an area of high concentration to an area of low concentration |
| active transport | process requiring energy by which cells move materials |
| homeostasis | maintaining an organisms's intenal environment |
| permeability | proper that allows certain materials in but not others and amintains the cell's homeostasis |
| cell memebrane | the boundary between the cell and its external environment |
| cell wall | rigid outer covering of plant cell |
| cytoplasm | jelly like substance cell organelles float in |
| organells | internal membrane bound organ like structures in cellls |
| chloroplast | chlorophyll containing organelle found in green plants and some protists |
| endoplasmic reticulum | membranes that transport ribomsome in cell |
| mitochondrion | organell in which food molecules are broken down t oproduce energy |
| ribosome | organelle involved in protein synthesis |
| lysosome | cell organell responsible for digestion and excreting waste |
