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6. In the induced fit hypothesis states that an important part of catalysis in the active site relies on charged what?

  • R groups on amino acids
  • Ionic bonds on amino acids
  • Hydrogen bond on amino acids

7. Respiration and photosynthesis are examples of what ?

  • Complex metabolic sequences
  • Enzymes controlled reaction

8. What does the poison potassium cyanide inhibit?

  • Cell respiration
  • Cell photosynthesis

9. What type of molecules ensure that enzyme controlled reactions can take place at an appropriate rate?

  • prosthetic groups
  • Inorganic ion cofactors
  • Co enzymes

10. What becomes more available as enzyme concentration increases?

  • More metabolism
  • More active sites
  • More catalysts

11. What is used to make the enzyme substrate complex form more easily?

  • Inorganic ion cofactor
  • Co factor
  • Prosthetic group

12. What is enzymes usual optimum temperature?

  • 40-50 degrees
  • 30-40 degrees
  • 20-30 degrees

13. What changes the tertiary structure of an enzyme so that it cannot function and its function cannot be restored?

  • Hydrogen Bonds
  • Denaturation
  • Ionic Bonds

14. What is the temperature that gives the enzyme rate of reaction?

  • Enzymes optimum temperature
  • Enzymes activation energy

15. What resists changes in pH by maintaing constant level of hydrogen ions in solution ?

  • Buffer
  • Optimum pH

16. What do poisionous substances inhibit or overactivate

  • Enzymes
  • Substrate

17. What doe a competitive inhibitor do to the enzymes rate of reaction?

  • Decrease rate of reaction
  • Increase rate of reaction

18. What does the attachment of a non competitive inhibitor to an enzyme molecule do?

  • Changes the tertiary structure
  • Changes secondary structure
  • Changes the primary structure

19. What type of molecule carried chemical groups between enzymes to link together enzyme controlled reactions?

  • Inorganic ion co factors
  • Co-enzymes
  • Prosthetic groups

20. What vitamin makes a co enzyme which helps the body break down carbohydrates to release energy?

  • Vitamin B12
  • Vitamin B3
  • Vitamin B2