20.28 The following initial velocities were determined spec- trophotometrically for solutions of sodium succinate to which a constant amount of succinoxidase was added. The velocities are given as the change in absorbancy at 250 nm in 10 s. Calculate V, KM, and K for malonate. AX 103 10 s 15 x 10-6 mol L-! [Succinate] 10-3 mol L-1 No Inhibitor Malonate 10.0 16.7 14.9 2.0 14.2 10.0 1.0 11.3 7.7 0.5 8.8 4.9 0.33 7.1

Anatomy & Physiology
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Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Chapter26: Fluid, Electrolyte, And Acid-base Balance
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Problem 31CTQ: Plasma contains more sodium than chloride. How can this be if individual ions of sodium and chloride...
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20.28 The following initial velocities were determined spec-
trophotometrically for solutions of sodium succinate to which a
constant amount of succinoxidase was added. The velocities are
given as the change in absorbancy at 250 nm in 10 s. Calculate
V, KM, and K, for malonate.
AX 103
10 s
15 x 10-6 mol L-1
[Succinate]
10-3 mol L-1
No
Inhibitor
Malonate
10.0
16.7
14.9
2.0
14.2
10.0
1.0
11.3
7.7
0.5
8.8
4.9
0.33
7.1
Hint: Treat this problem using the
competitive inhibited rate law
Transcribed Image Text:20.28 The following initial velocities were determined spec- trophotometrically for solutions of sodium succinate to which a constant amount of succinoxidase was added. The velocities are given as the change in absorbancy at 250 nm in 10 s. Calculate V, KM, and K, for malonate. AX 103 10 s 15 x 10-6 mol L-1 [Succinate] 10-3 mol L-1 No Inhibitor Malonate 10.0 16.7 14.9 2.0 14.2 10.0 1.0 11.3 7.7 0.5 8.8 4.9 0.33 7.1 Hint: Treat this problem using the competitive inhibited rate law
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