click below
click below
Normal Size Small Size show me how
Biology Chapter 4.4
Biology Chapter 4.4 Terms and Definitions
| Term | Definition |
|---|---|
| cell wall | a rigid structure that surrounds the cell membrane and provides support to the cell |
| central vacuole | in some protists and in most plant cells, a large fluid filled organelle that stores water, enzymes, metabolic wastes, and other materials. |
| plastid | an organelle of plant cells that contains specific substances and performs specific functions for the cell; examples include chloroplasts and chromatists |
| chloroplast | an organelle found in plant and algae cells where photosynthesis occurs |
| thylakoid | a membrane system found within chloroplasts that contains the components for photosynthesis |
| chlorophyll | a green pigment that is present in most plant cells, that gives plants their characteristic green color, and that reacts with sunlight. carbon dioxide, and water to form carbohydrates |