1) What does the substrate turn into after the reaction? a) An enzyme b) A product c) An active site 2) Where does the substrate and enzyme meet? a) At the active site b) On the amino acids c) in the catalyst 3) Enzyme and substrate work like a _________________________.  a) Key and keyhole system b) Door and hinge system c) Lock and key system 4) What is the best temperature for the standard enzyme to react at? (Cº) a) 37 b) 27 c) 10 5) Enzymes are very specific to the substrate they bind to. a) True b) False 6) What does a catalyst do to a reaction? a) Slow it down b) Nothing c) Speeds it up 7) What would happen to an enzyme if boiled at high temperatures? a) It would dance b) It would die c) It would denature 8) What does the amino acids sequence do to the enzyme? a) Gives the enzyme its unique shape b) Gives the enzyme its genetics c) Gives the enzyme a substrate 9) Enzymes are proteins. a) True b) False 10) __________ __________ is the minimum energy required to start a recation. a) amino acids b) activation energy c) denature

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