Which of the following statements is true about enzymes – catalyzed reactions?
the reaction is faster then the same reaction in the absence of the enzyme
Enzyme-catalyzed reactions are biochemical reactions that are facilitated or accelerated by enzymes. They are essential for the proper functioning of cells and for the maintenance of metabolic pathways in living organisms.
The statement that is true about enzymes-catalyzed reactions is that enzymes increase the speed of a reaction by lowering the activation energy required for the reaction to occur. This means that the energy required to initiate a chemical reaction is reduced, allowing the reaction to happen faster than it would under normal conditions. Enzymes do not change the equilibrium constant or the nature of the reactants and products of the reaction, but they alter the reaction pathway, making it easier for the reaction to proceed.
It is also worth noting that enzymes are highly specific to the substrate they work on and require specific environmental conditions, such as pH and temperature, to work effectively. Any deviation in these conditions can lead to the enzyme’s denaturation, leading to a decrease in the rate of reaction or complete loss of activity.
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