Glycolysis
More animations coming!

Step 1: Phosphorylation of glucose by hexokinase

Step 2: Isomerization of glucose-6-phosphate to fructose-6-phosphate
Ribosylation
Animated mechanisms of Poly(ADP-Ribose)ylation

Initiation step: Addition of an ADP-Ribose unit to a target protein

Elongation step: Polymerization of ADP-Ribose units