click below
click below
Normal Size Small Size show me how
2nd year preswex
photosynthesis, respiration Chapter 3
| Term | Definition |
|---|---|
| independent variable | one thing that is changed in an experiement |
| dependent variable | this is the thing we measure |
| Controlled variables | all the things that stay the same in the experiement |
| a control | Used to compare to the actual experiement |
| define respiration | The breakdown of food to produce energy in our cells. |
| Mitochondria | Place in the cell where respiration happens. |
| enzymes | Are biological catalysts, made of protein |
| Catalyst | speeds up a reaction but not used up. |
| reactants of respiration | glucose + oxygen |
| products of respiration | carbon dioxide + water +energy |
| catalase | enzyme found in the liver |
| definition of photsynthesis | Plants using light to make food (glucose). |
| reactants of photsynthsis | carbon dioxide + water |
| Products of photosynthsis | Glucose + oxygen |
| Starch | stored sugar in the leaf |
| iodine | turns blue/black in starch |
| factor that affects photosynthsis | amount of light, light intensity |