The chemical equation for the breakdown of lactose by lactase is: C12H22O11 (lactose) + H2O → C6H12O6 (glucose) + C6H12O6 (galactose). Lactase is the enzyme that catalyzes this reaction, breaking down lactose into its constituent monosaccharides, glucose, and galactose. This process is essential for the digestion of lactose in individuals who are lactose intolerant.
The product of the chemical reaction is released from the active site of an enzyme. The substrate is converted into product during the enzymatic reaction, and once the reaction is complete, the product is released to allow the enzyme to catalyze another reaction.
An enzyme-substrate complex is formed when an enzyme binds to its substrate molecules. This temporary complex allows the enzyme to catalyze a specific chemical reaction by lowering the activation energy required for the reaction to occur. Once the reaction is complete, the products are released and the enzyme is free to catalyze another reaction.
Enzymes are not used up in a chemical reaction. Usually, the enzyme will "reset" and be ready to use in another reaction. This is due to the fact that enzymes are proteins, and their shape is what they use in a chemical reaction. Initially, the enzyme has a particular shape. Something happens to the enzyme (usually a shape change, called a conformation change, brought on by the presence of two or more chemical reactants), and the enzyme catalyzes the reaction. After the reaction is catalyzed, the product is released, and the enzyme can "relax." This means it goes back to its normal shape, ready to do it all over again.
After a biochemical reaction, the enzyme remains unchanged and is free to catalyze more reactions. Enzymes are not consumed in the reaction and can be used repeatedly, making them efficient catalysts.
If a lactase molecule is used up in a reaction, you would observe a decrease in the rate of lactose breakdown. This decrease occurs because there are no more lactase molecules available to catalyze the reaction. Additionally, if all lactase molecules have been used up, there will be a point where no further lactose can be broken down in the reaction.
The chemical equation for the breakdown of lactose by lactase is: C12H22O11 (lactose) + H2O → C6H12O6 (glucose) + C6H12O6 (galactose). Lactase is the enzyme that catalyzes this reaction, breaking down lactose into its constituent monosaccharides, glucose, and galactose. This process is essential for the digestion of lactose in individuals who are lactose intolerant.
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they reduce the activation energy required for the reaction to occur
Lactase breaks down lactose through hydrolysis, which is a chemical reaction that involves the breaking of a bond by water. In this process, lactase enzyme catalyzes the reaction that breaks lactose into its two components, glucose and galactose.
The reaction would be termed a chemical reaction.
They are used to, with an unexpected degree of efficiency, catalyze a specific chemical reaction. This means maximizing harmless and useful chemical-reaction products while minimizing the [inevitable] wasteful and useless byproducts of the chemical reaction.
Enzymes catalyze certain reactions.
The main thing that an enzyme does to catalyze a reaction, is to lower the energy of reaction.
The main thing that an enzyme does to catalyze a reaction, is to lower the energy of reaction.