Active Learn Quick Quiz 1g.pptx
There are about 3000 different enzymes in the human body, catalysing reactions that would otherwise not occur. For example, an enzyme called OMP decarboxylase helps to produce a substance used to make DNA in 18 milliseconds. Without the enzyme, this reaction would take 78 million years!
Structure of enzymes:
Enzymes are proteins with a 3D shape. The folding of the amino acid chain which makes up enzymes produces a specific section called the active site. The active site is where the substrate fits at the start of a reaction.
Worksheets:
The lock and key theory suggests that the only the right enzyme and substrate combination will bring about a reaction.