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2nd year preswex

photosynthesis, respiration Chapter 3

TermDefinition
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