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- 1. Multiple ChoiceEnzymes arenucleic acidsproteinslipidscarbohydrates
- 2. Multiple ChoiceWhich of the following binds to the active site of an enzyme?substrateproductcodonnone of the above
- 3. Multiple ChoiceAn enzyme speeds up a chemical reaction in the cell, but can only be used once?truefalse
- 4. Multiple ChoiceEnzymes speed up chemical reaction bydestroying productslowering activation energyincreasing activation energyallowing reactions to process at their own speed
- 5. Multiple Choice
Based on the graph, what temperature does this enzyme work best?15 C40 C30 C - 6. Multiple ChoiceIn the diagram, what is letter A?productsubstrateenzyme-substrate complexactive site
- 7. Multiple ChoiceIn the diagram, what is letter B?productsubstrateenzyme-substrate complexactive site
- 8. Multiple ChoiceIn the diagram, what is letter C?productsubstrateenzyme-substrate complexactive site
- 9. Multiple ChoiceIn the diagram, what is letter D?enzymesubstrateenzyme-substrate complexactive site
- 10. Multiple ChoiceIn the diagram, what is letter E?enzymesubstrateenzyme-substrate complexproduct
- 11. Multiple ChoiceWhich of the following statement suggests that the shape of an enzyme determines the enzyme's function?enzymes can operate in a wide range of conditionsenzymes are specific to a substrateenzymes are activated by neighboring molecules
- 12. Multiple ChoiceThe diagram shows the series of a reactions that convert lactose into a usable form .
If enzyme 4 is denatured (stops working), the levels of which substance will increase?LactoseGalactoseGlucose-1-Phosphate - 13. Multiple ChoiceRefer to the graphic above: Amino acids can be joined together by removing H+ and OH- forming a protein and water. What is this process called?dehydration synthesishydrolysisphotosynthesis
- 14. Multiple ChoiceWhich statement explains the effect of the inhibitor?The inhibitor changes the shape of the active site preventing the substrate from attaching.the inhibitor causes the substrate to attach to the active sitethe inhibitor has no effect on the enzyme
- 15. Multiple ChoiceWhich line represents an enzyme-catalyzed reaction?Line 1Line 2
- 16. Multiple ChoiceWhat is the function of an enzyme?enzymes break themselves into small piecesthey slow down chemical reactionsthey speed up chemical reactionsenzymes combine products to form reactants
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