mitochondria
Mitochondria are large organelles found in the cytoplasm of eukaryotic cells. ... - The more energy a cell needs, the more mitochondria it has. ... - Mitochondria contain their own DNA (termed mDNA) and are thought to represent bacteria-like organisms incorporated into eukaryotic cells over 700 million years ago (perhaps even as far back as 1. ... - Mitochondria are bounded by two membranes. ... - Mitochondria absorb O2 and glucose and produce energy in the form of ATP by breaking down the glucose to CO2 and H2O.