Biological Catalysts - Enzymes
- Enzymes are catalysts produced by living things
- Living things have 1000's of different reactions going on inside them all the time.
- These reactions need to be carefully controlled - to get the right amounts of substances.
- You can usually make a reaction happen more quickly be raising the temperature.
- This would speed up the useful reactions but also the unwanted ones too.
- There's also a limit to how far you can raise the temperature inside a living organism before its cells start to get damaged.
- Living things therefore produce biological catalysts known as enzymes.
- They reduce the need to high temperatures and we only have enzymes to speed up the useful chemical reactions in the body.
- A catalyst is a substance which increases the speed of a reaction, without being changed or used up in the reaction.
- Enzymes are all proteins, which is one reason why proteins are so important to living things.
- All proteins are…