If the energy of the ES complex is 15 kJ/mol lower than the energy of the E+ S, the value of AG'e' is 20 kJ/mol, and the value of AGu'u is 90 kJ/mol. What is the rate enhancement achieved by an enzyme in this case? Universal gas constant, R = 8.314 x 10-3 kJ mol-1 and temperature, T-25 °C a) 3.3X1010 b) 4.5X109 1.9X10¹2 d) 2.5X10¹3 4.4X1010

Biochemistry
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ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter20: Electron Transport And Oxidative Phosphorylation
Section: Chapter Questions
Problem 19P
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20) The below energy diagram shows that enzymes catalyze reactions by lowering the activation energy.
Uncatalyzed reaction (AG'u) is larger than that for the enzyme-catalyzed reaction (AG*e).
AG
a) 3.3X1010
b) 4.5X109
EXI
Reaction coordinate
E+SES EXE+P
1.9X10¹2
d) 2.5X10¹3
e) 4.4X1010
AG
If the energy of the ES complex is 15 kJ/mol lower than the energy of the E + S, the value of AG* e' is 20
kJ/mol, and the value of AGu u is 90 kJ/mol. What is the rate enhancement achieved by an enzyme in this
case? Universal gas constant, R = 8.314 x 10-3 kJ mol-1 and temperature, T=25 °C
<
29
Transcribed Image Text:20) The below energy diagram shows that enzymes catalyze reactions by lowering the activation energy. Uncatalyzed reaction (AG'u) is larger than that for the enzyme-catalyzed reaction (AG*e). AG a) 3.3X1010 b) 4.5X109 EXI Reaction coordinate E+SES EXE+P 1.9X10¹2 d) 2.5X10¹3 e) 4.4X1010 AG If the energy of the ES complex is 15 kJ/mol lower than the energy of the E + S, the value of AG* e' is 20 kJ/mol, and the value of AGu u is 90 kJ/mol. What is the rate enhancement achieved by an enzyme in this case? Universal gas constant, R = 8.314 x 10-3 kJ mol-1 and temperature, T=25 °C < 29
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