This body's inner membrane increases its surface area-to-volume ratio by many folds known as cristae.  
This body's inner membrane increases its surface area-to-volume ratio by many folds known as cristae.  This membrane-enclosed system's genetic properties lead to the endosymbiotic hypothesis, the idea that it  originated as a captured prokaryote. This organelle has its own DNA which, in humans, is inherited only  from the mother. ATPase proteins permeate this cellular organelle's membranes since its function is to  create ATP. FTP, identify this organelle, the "powerhouse" of the cell.
This body's inner membrane increases its surface area-to-volume ratio by many folds known as cristae.  
mitochondrion (or mitochondria)