Exhibit 6A This Is a Reaction Going on in Your

question 18

Multiple Choice

Exhibit 6A This is a reaction going on in your muscle cells right this very minute: The enzyme triose phosphate isomerase catalyzes this reaction in the forward direction as part of the glycolytic pathway. It follows simple Michaelis-Menten kinetics:
Typical cellular concentrations: triose phosphate isomerase = 0.1 nM
Dihydroxyacetone phosphate = 5 µM glyceraldehyde-3-phosphate = 2 µM
Refer to Exhibit 6A. What is the equilibrium constant for the enzyme-catalyzed reaction?

• A) 0.9
• B) 1.1
• C) 2.5
• D) Cannot be determined from the information provided.

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