BIOLOGY
5th Edition
ISBN: 9781265202859
Author: BROOKER
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Chapter 6, Problem 3TY
Summary Introduction
Introduction: The equilibrium constant of a particular
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What are the benefits of measuring the initial rate of a reaction Vå for use in kinetic
studies? (This is a multi-select question).
[ES] can be measured accurately.
changes in [S] are negligible, so the value of [S] is known.
changes in Km are negligible, so Km can be treated as a constant.
V₁ = Vmax.
-->
A negligible amount of product has formed, so that the back reaction P --
need not be considered.
ES
ver is given.
A +B C+ D
1) Calculate AG for the above react un and indicáte whether the reaction is favorable or unfavorable
[A] = 0.9 M
20°C
AG° = 4 KJ/mol
%3D
[B] = 15mM [C] = 4mM [D] = 3 M R= 8.314 J/moleK
%3D
%3D
4.7
and explain how you know.
True or false
Chapter 6 Solutions
BIOLOGY
Ch. 6.1 - Which do you think has more entropy, a NaCl...Ch. 6.1 - Prob. 2CCCh. 6.2 - Prob. 1CCCh. 6.2 - Prob. 2CCCh. 6.2 - Prob. 1CSCh. 6.2 - Prob. 1EQCh. 6.2 - Prob. 2EQCh. 6.2 - Prob. 3EQCh. 6.3 - Prob. 1CSCh. 6.3 - Prob. 2CS
Ch. 6.4 - What are advantages of protein degradation?Ch. 6 - Reactions that release free energy are a....Ch. 6 - Enzymes speed up reactions by a. providing...Ch. 6 - Prob. 3TYCh. 6 - Researchers analyzed a cell extracta mixture of...Ch. 6 - In biological systems, ATP functions by a....Ch. 6 - In a chemical reaction, NADH is converted to NAD+...Ch. 6 - Prob. 7TYCh. 6 - Prob. 8TYCh. 6 - Prob. 9TYCh. 6 - Autophagy provides a way for cells to a. degrade...Ch. 6 - Prob. 1CQCh. 6 - Prob. 2CQCh. 6 - Prob. 3CQCh. 6 - Prob. 1COQCh. 6 - Prob. 2COQ
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- Consider the two reactions below. They are fast and have reached equilibrium by the end of the time shown. At time zero (t = 0) which is true? [Product] (M) I 2 1 Time The AG of reaction 1 is greater (more positive) than the AG of reaction 2. The AG of reaction 1 is less (more negative) than the AG of reaction 2. ○ The AG of reaction 1 is equal to the AG of reaction 2.arrow_forwardThe enzyme, fumarate, has the following kinetic constants: k 1 k 2 k -1 where k 1 = 10 9 M -1 s -1 k -1 =4.4 x 10 4 s -1 k 2 = 10 3 s -1 a. What is the value of the Michaelis constant for this enzyme? b. At an enzyme concentration of 10 -6 M, what will be the initial rate of product"arrow_forwardThe conversion of glucose-1-phosphate to glucose-6-phosphate by the enzyme phosphoglucomutase has a △G°' of -7.6 kJ/mol. Calculate the equilibrium constant for this reaction at 298 K and a pH of 7. (R = 8.315 J/K-mol) A. 0.003 B. 0.047 C. 1.00 D. 21arrow_forward
- The equilibrium constant for the reaction Q → R is 25. Solve, (a) If 50 μM of Q is mixed with 50 μM of R, which way will the reaction proceed to generate more Q or more R? (b) Calculate the equilibrium concentrations of Q and R.arrow_forwardConsider a general reaction enzyme A(aq) B(aq) The AGo of the reaction is -9.150 kJ mol-. Calculate the equilibrium constant for the reaction at 25 °C. Keg = What is AG for the reaction at body temperature (37.0 °C) if the concentration of A is 1.9 M and the concentration of B is 0.50 M? 9:26 PM 35% 77°F 6/14/2021arrow_forwardA particular reaction has a ΔG‡ of 37.0 kJ mol-1. In the presence of an enzyme, the same reaction has a ΔG‡ of 5.70 kJ mol-1. Calculate the value of ΔΔG‡ in kJ mol-1.arrow_forward
- For the following reaction X + YA + B at 300 K, it is found equilibrium constant equal to 10. Therefore, AG & AGⓇ of the reaction at 300 K respectively are - Answer barrow_forwardI beleive it should be FAD>FADH2 but that is not an option, so i am not sure which it is. Is Succinate > FADH2 the same as FAD>FADH2?arrow_forwardHow will each change affect the reaction? HNO2(aq)⇌H^+(aq)+NO2^-(aq) a.) Decreasing volume b.) Removal of NO2^- c.) Addition of OH^-(which will react with and remove H^+)arrow_forward
- A particular reaction has a ΔG‡ of 30.0 kJ mol-1 at 25.0 °C. In the presence of an enzyme, the same reaction has a ΔG‡ of 1.50 kJ mol-1 at the same temperature. Calculate the rate enhancement of this enzyme. (R = 8.3145 J mol-1 K-1)arrow_forwardDerive an Equation that explains the realtionship between kE and kN with respect to the equilibrium constants provided in the reaction scheme provided below. Assume that the enzyme must bind with A before it binds with B. The two reactions are related by the following reaction scheme:provided below.arrow_forwardFor this reaction: 6CO2 + 6H2O → C6H12O6 + 6O2, the products have 2760 kJ/mole more free energy than the reactants. So, which of the following statements best describes the reaction? a The reaction is endergonic because it converts molecules with less free energy to those with more free energy. b The reaction is exergonic because it converts molecules with less free energy to those with more free energy. c The reaction is exergonic because it converts molecules with more free energy to those with less free energy d The reaction is endergonic because it converts molecules with more free energy to those with less free energy.arrow_forward
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