1) What does the substrate turn into after reaction? a) An enzyme b) A product c) An active aite d) A thing too incomprehensible for our minds to imagine 2) Where does the substrate and enzyme collide? a) At the active site b) On the amino acids c) Near the DNA molecules d) In the catalyst 3) What type of system is the reaction named? a) Key and keyhole system b) Door and hinge system c) Lock and key system d) Glycerol and amino acids system 4) What is the best temperature for the standard enzyme to react at? (Cº) a) 37 b) 27 c) 10 d) 999 5) Enzymes are made out of amino acids. a) True b) False 6) What does the enzyme "Lipase" react best with? a) Carbohydrates b) Vegetables c) Lithium d) Fats/Lipids 7) What does a catalyst do to a reaction? a) Slow it down b) Nothing c) Speed it up d) Blow it up 8) What would happen to an enzyme if boiled at high temperatures? a) It would get destroyed b) It would die c) It would denature d) It would dance 9) 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 d) Gives the enzyme a pat on the back 10) What would you call the perfect temperature for the enzyme to react at? a) The Optimus Prime b) The collision zone c) Subzero temperature d) The optimum temperature 11) Enzymes are a protein. a) True b) False 12) What are fats purely made out of? a) Amylase b) Glycerol c) Amino acids d) Fatty acids e) Catalysts f) Starch 13) What does Biuret solution indicate for? a) Glucose b) Starch c) Protein d) Fats/Lipids 14) What does Iodine solution indicate for? a) Glucose b) Starch c) Protein d) Fats/Lipids 15) What does Benedict solution indicate for? a) Glucose b) Starch c) Protein d) Fats/Lipids

Enzymes GCSE

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