click below
click below
Normal Size Small Size show me how
Cell Processes
| Term | Definition |
|---|---|
| photosynthesis | Process by which a cell captures energy in sunlight and uses it to make food. |
| autotroph | Organism that makes its own food. |
| heterotroph | Organism that cannot make its own food. |
| pigment | Colored chemical compounds that absorb light. |
| chlorophyll | The main photosynthesis pigment in chloroplasts. |
| stomata | Small openings in the bottom of the leaves that carbon dioxide enters through. |
| respiration | The process by which cells obtain energy from glucose. |
| fermentation | Is an energy realeasing process that does not require oxygen. |
| The raw materials of photosynthesis | carbon dioxide and water |
| products of photosynthesis | a sugar and oxygen |
| raw materials of respiration | sugar and oxygen |
| products of respiration | carbon dioxide and water and energy |
| cell cycle | The regular sequence of growth and division that cells undergo. |
| interphase | The stage of the cell cycle that takes place before cell division occurs. |
| replication | The process by which a cell makes a copy of the DNA in its nucleus. |
| mitosis | The stage of the cell cycle during which the cell's nucleus divides into two new nucleiand one copy of the DNA is distributed into each daughter cell. |
| chromosome | A double rod of condensed chromatin; contains DNA that carries genetic information. |
| cytokinesis | The final stage of the cell cycle, in which the cell's cytoplasm divides, distributes the organelles into each of the two new cells. |