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Transcript of Chemical Reactions
C6H12O6 + 6O2 6CO2 + 6H2O
energy is gained (absorbed) during the reaction
energy is released during the reaction
(a) = activation energy (energy needed for the reaction to occur)
Lowers activation energy
Speeds up chemical reaction
Does NOT get used up in reaction
Does NOT increase amount of product made
Also known as a "biological catalyst"
Lock & Key Theory
Substrates = the reactant(s) that bind to the enzyme
Active site = location where substrate binds to enzyme
Enzyme biological processes
Enzyme Examples: (all end in -ase)
Amylase - breaks down amylose
Protease - breaks down protein
How do you know a chemical reaction occurred?
Physical changes usually involve just a change in "state"