Open Question
Draw the curves that show the appropriate relationships between the variables in each of the plots below for a simple enzyme-catalyzed reaction that follows Michaelis-Menten kinetics.
6. Enzymes and Enzyme Kinetics
Steady-State Conditions
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True or false: A reaction system at steady-state must also be at equilibrium.
A
True
B
False
Verified step by step guidance1
Understand the definitions: Steady-state refers to a condition where the concentrations of reactants and products remain constant over time, but not necessarily equal. Equilibrium refers to a state where the forward and reverse reaction rates are equal, leading to no net change in concentrations.
Consider the dynamics of a steady-state system: In a steady-state, the system is open and may have continuous input and output of materials, maintaining constant concentrations without reaching equilibrium.
Contrast with equilibrium: At equilibrium, the system is closed, and the rates of the forward and reverse reactions are equal, resulting in no net change in concentrations.
Analyze the implications: A steady-state system can have constant concentrations due to continuous input and output, while equilibrium is characterized by balanced reaction rates without external influences.
Conclude the distinction: A reaction system at steady-state does not have to be at equilibrium, as steady-state can occur in open systems with constant flow, whereas equilibrium is a closed system condition.
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