how do enzymes affect chemical reactions

they increase activation energy
they eliminate activation energy
they lower activation energy

Enzymes lower activation energy in chemical reactions. Activation energy is the amount of energy required to start a chemical reaction. By lowering the activation energy, enzymes make it easier for the reaction to take place. This allows the reaction to occur more rapidly and efficiently. Enzymes achieve this by binding to the reactant molecules and altering their structure, making it easier for them to interact and form the products.

Enzymes lower the activation energy of chemical reactions. Activation energy is the energy required to start a chemical reaction. By lowering the activation energy, enzymes allow the reaction to proceed more easily and at a faster rate. This is achieved by creating a suitable environment for the reactants to come together and form products, or by stabilizing the transition state of the reaction. It's important to note that enzymes do not eliminate or increase activation energy, but rather lower it to facilitate the reaction.

Enzymes are proteins that play a crucial role in speeding up chemical reactions in living organisms. They achieve this by lowering the activation energy required for a reaction to occur. Activation energy is the amount of energy needed to start a chemical reaction.

Enzymes facilitate chemical reactions by binding to specific molecules called substrates and converting them into different products. This happens in an area of the enzyme known as the active site. When the substrate binds to the active site of the enzyme, it undergoes specific changes that allow the reaction to proceed at a faster rate. These changes may involve breaking down or rearranging chemical bonds.

Now, how exactly do enzymes lower the activation energy? Enzymes create a microenvironment within the active site that is favorable for the reaction to occur. They can do this by stabilizing the transition state of the reaction, which is typically an energy barrier that must be overcome for the reaction to happen. By stabilizing the transition state, enzymes make it easier for the reactant molecules to attain the necessary energy levels for the reaction to proceed.

It's important to note that enzymes themselves are not consumed or changed during the reaction. They can participate in multiple rounds of substrate binding and product formation, making them highly efficient catalysts.

In summary, enzymes lower the activation energy required for a chemical reaction to occur. By doing so, they greatly accelerate the rate of the reaction without being consumed in the process.