1. 2.2.3 Enzymes Follow-Me – iQuiz

2. Q. What is meant by the term metabolism? Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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4. Q. For what is ATP an abbreviation? Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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6. Q. To which group of molecules do enzymes belong? Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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8. Q. In an experiment that you carried out to investigate the effect of pH on the rate of enzyme action, explain how you varied the pH. Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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10. Q. What is a bioreactor? Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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12. Q. What is meant by an enzyme? Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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14. Q. What is meant by immobilisation? Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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16. Q. Name a factor that influences the activity of an enzyme. Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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18. Q. State one advantage of using an immobilised enzyme in a bioreactor. Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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20. Q. Name a substance that is used to immobilise enzymes. Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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22. Q. State a use for Buffer solution in the biology laboratory. Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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24. Q. Apart from C, H and O, there is one other element always present in the building blocks of enzymes. Name that element. Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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26. Q. Distinguish between Enzymes and Hormones Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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28. Q. Give the term for the substance that results from the action of an enzyme on its substrate. Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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30. Q. In relation to an enzyme, explain the term optimum activity. Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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32. Q. Explain the term bioprocessing. Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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34. Q. Name the compound from which the immobilising beads are formed in the laboratory. Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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36. Q. In an experiment to investigate the effect of temperature on the rate of action of an enzyme, how did you vary the temperature? Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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38. Q. In an experiment to investigate the effect of temperature on the rate of action of an enzyme, how did you measure the rate of the enzyme’s action? Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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40. Q. What name is given to the substance that an enzyme acts on? Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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42. Q. True or False. Immobilised enzymes can act as catalysts. Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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44. Q. Comment on the shape of enzyme molecules. Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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46. Q. The action of amylase on starch is a catabolic reaction. Explain the underlined term. Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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48. Q. Suggest one reason why enzymes are not found in body soap or shampoo. Adenosine Triphosphate By the volume of suds produced FALSE Enzyme trapped in beads or gel so that it will react with, but not mix with, its substrate Enzyme can be recovered Organic protein catalyst Nitrogen May damage skin Keep pH constant Proteins Temperature; pH TRUE Used buffers Product Working at maximum rate Vessel in which products are made by cells or organisms. Using micro-organisms or enzymes to make product(s) Water bath; Ice; Thermostat All chemical reactions in living cells Sodium alginate Breakdown of large molecules into smaller ones Substrate Catalyst and chemical messenger Fits substrate; Active site; Folded; Can change shape

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