Mitochondrial disease is a group of disorders caused by dysfunctional mitochondria, the organelles that generate energy for the cell.itochondrial diseases are sometimes (about 15% of the time) caused by mutations in the mitochondrial DNA that affect mitochondrial function.
1 Surface-mounted light â the finished housing is exposed, not flush with surface. 2  Chandelier. 3  Pendant light â suspended from the ceiling with a chain or pipe.  Sconce â provide up or down lights; can be used to illuminate artwork, architectural details; commonly used in hallways or as an alternative to overhead lighting.
Super Bright LED Lights. These bright submersible LED battery operated tea lights are waterproof, reusable, and wireless. They are sure to leave a lasting impression on your guests! You will instantly enhance any table centrepiece, place setting, art piece, costume, mask, or other decor item with these lights.