So each one of these reactions in stage one wants to trap that molecule in the cell and wants to destabilize the molecule, make it more reactive so that eventually it is prepared for stage two to break down into smaller molecules. So let's begin with stage one, process one, step one. So our glucose makes its way into the cyto plasma in the cell. What happens is an enzyme known as hexokinase. HEXO means we have 123456 carbons in our sugar kinase, means we're going to phosphorylate that glucose. So a phosphoryl group is taken from the ATP by the hexokinase and is added onto carbon number six.