Quiz 4
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1-4. Use these types of enzymes: (O) oxidoreductase; (H) hydrolase; (I) isomerase;
                                                     (T) transferase; (Y) lyase; (G) ligase.

         converts Fe2+ to Fe3+

          forms a bond using ATP to provide energy

         breaks a bond by adding H2O to it

          adds a functional group to a C=C bond

         synthesizes a bond by          removing H2O

          removes a functional group,
         creating a C=C bond

          rearranges the structure of a
          molecule

          transfers a functional group from one
          molecule to another

5-8. For exam 4 we will study the enzyme that catalyzes this reaction.

The enzyme requires the coenzymes FAD and TPP.
Use the letters from 1-4 as well as these: (S) substrate; (P) product;
                                                          (C) co-substrate coenzyme; (R) prosthetic coenzyme

              one type of enzyme this could be

              FAD

              one type of enzyme this could not be

              TPP

              pyruvate

              CoA-SH

              CO2

              AcCoA

              NAD+

9-10. Underline the value for the least favored (least spontaneous) reaction and circle the most favored.

ΔG°′ = – 2,000 J/mol

Keq = 137

Keq = 0.62

ΔG°′ = 13,000 J/mol

9-10. Underline the value for the least favored (least spontaneous) reaction and circle the most favored.

Keq = 0.062

ΔG°′ = 3,000 J/mol

ΔG°′ = - 20,000 J/mol

Keq = 1.37

 

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