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When molecules interact and chemical bonds between them are made or broken, chemical reactions take place.

  • The mere proximity of two chemicals might cause some reactions. For instance, iron will produce iron oxide, sometimes known as rust, when oxygen is present.
  • Other reactions need energy to initiate the reaction. A forest fire that is ignited by lightning is a fantastic example of something that will burn until all the fuel is consumed.
  • Enzymes, biological molecules consisting of proteins that can be thought of as facilitators or catalysts, are frequently used in biology to help chemical reactions.
  • Enzymes speed up the reaction or enable it to happen with less energy, and once the reaction is finished, they become available once more.
  • They can therefore be reused because they are not consumed by the reaction.
  • Enzymes are made to function best at a particular temperature and pH. They are less effective when used outside of this area. Because enzymes are comprised of protein, they can be denatured or destroyed at extremely high temperatures.

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