A researcher proposes a model of an enzyme-catalyzed reaction in which a reactant is converted to a product. the model is based on the idea that the reactant passes through a transition state within the enzyme-substrate complex before the reactant is converted to the product. which of the following statements best helps explain how the enzyme speeds up the reaction?

Question: A researcher proposes a model of an enzyme-catalyzed reaction in which a reactant is converted to a product. the model is based on the idea that the reactant passes through a transition state within the enzyme-substrate complex before the reactant is converted to the product. which of the following statements best helps explain how the enzyme speeds up the reaction?

The following statement best helps explain how the enzyme speeds up the reaction:

The enzyme stabilizes the transition state of the reaction, making it easier for the reaction to occur.

The transition state is the highest-energy state of a reaction. It is the state that the reactants must pass through in order to become products. Enzymes stabilize the transition state by binding to the reactants in a way that lowers the energy of the transition state. This makes it easier for the reactants to overcome the energy barrier and become products.

Here is a more detailed explanation of how the enzyme-transition state model works:

1. The enzyme binds to the reactant, forming an enzyme-substrate complex.
2. The enzyme stabilizes the transition state of the reaction.
3. The reactant passes through the transition state and becomes the product.
4. The product is released from the enzyme.

The enzyme does not change the overall energy of the reaction. It simply lowers the energy of the transition state, making the reaction faster.

Here is an analogy that may help you to understand how enzymes speed up reactions:

Imagine that you are trying to roll a ball over a hill. The hill represents the energy barrier that the reactants must overcome in order to become products. The enzyme is like a ramp that you can use to roll the ball over the hill. The ramp does not change the overall height of the hill, but it makes it easier to roll the ball over the hill.

In the same way, the enzyme does not change the overall energy of the reaction, but it makes the reaction faster by lowering the energy of the transition state.

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