Living things have tons of chemical reactions going on inside them all the time.
Living things produce enzymes. Enzymes act as Biological catalysts.
Enzymes speed up the useful chemical reactions in your body.
CATAYLYST is a substance which increases the speed of a reaction
without being changed or used up in the reaction.
Enzymes are all Proteins.
Enzymes all work in the same way to catalyse (speed up) various reactions.
They can work inside or outside cells, for example:
- DNA replication- enzymes help copy a cell's DNA before it divides.
- Protein synthesis- enzymes hold amino acids in place and form bonds between them.
- Digestion- enzymes are released into the gut to digest food.
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