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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 |