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.
Recessed lights or surface mount ceiling lights for basement lighting? Basement Lighting Options. For starters basements typically have a lower ceiling height than the main floors. Most modern construction today results in the ceiling joists (1st floor joists) being 7â²-6â³ above the concrete slab in the basement. So the first consideration will be head room if you install surface mount lights.