A<unk>  is a protein used as a control in a Western blotting experiment. Typically,<unk> s are proteins with high and ubiquitous expression, such as beta-actin or GADPH. They are used to make sure that the protein has been loaded equally across all wells.
Loading control
Pressure control
Strength training
Incremental exercise
Rearrest
Audioanalgesia
Nerve induction
Frenkel exercises