enzymes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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metabolism | the sum of all the chemical reactions that take place within an organism
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enzyme | a protein catalyst that speeds up chemical reactions
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catalyst | a substance that speeds up a reaction without itself being used in a reaction
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features of enzymes | 1. made of protein
2. correct shape to fit substrate (lock-and-key model)
3. reversible
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substrate | the substance an enzyme acts upon
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product | the substance the enzyme forms in a reaction
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factors that affect enzyme activity (or can denature enzymes) | 1. temperature
2. pH
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denatured enzyme | an enzyme that lost its shape and no longer function; can be caused by extreme temperatures or changes in pH
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active site | Where the substrate locks into the enzyme, creating a perfect fit or "lock-and-key" model
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Created by:
jamie burke
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