Activation energy! They change the amount of energy needed for a reaction to occur, through different mechanisms, message me if you want more information :)
activation energy of the reaction.
Enzymes act as catalysts. They speed up the reaction time.
By changing the speed of the reaction.
Catalysts that are active working in the body are called enzymes.
Enzymes are the proteins that act as catalysts and speed up chemical reactions in living organisms. They do this by lowering the activation energy needed for the reaction to occur.
Enzymes lower the activation energy (or free energy of activation for the very scientific) of the chemical reactions they catalyse. The enzymes can make a reaction proceed much more quickly than it otherwise would by astronomical figures, e.g. 109 times! Enzymes don't affect the equilibrium position, but they do affect the rate.
Enzymes are the proteins that serve as biochemical catalysts in living organisms. They speed up chemical reactions by lowering the activation energy required for the reaction to occur.
Enzymes speed up a reaction but they are not changed by the reaction. They are a protein molecule that helps other organic molecules enter into chemical reactions with one another but is itself unaffected by these reactions. In other words, enzymes act as catalysts for organic biochemical reactions.
Enzymes are the organic molecules that act as biological catalysts.
The activation energy for chemical reactions in living things is typically low compared to non-biological reactions. This is because living organisms rely on enzymes to catalyze reactions, lowering the energy barrier needed for the reaction to occur. This allows for faster and more efficient processing of biological molecules.
Enzymes affect reactions in living cells by lowering the activation energy required for the reactions to occur, thus speeding up the rate of chemical reactions. They do this by binding to specific substrates and catalyzing the conversion of these substrates into products. This enables cells to carry out essential biological processes efficiently.
enzymes as described by my bio teacher do "chores" in the body, when something needs to be done, our body uses enzymes. you can recognize enzymes by looking for the suffix (ase) at the end of a word. An example of an enzyme and its use is Helicase, which unwinds DNA strands at the beginning of transcription.