Mitochondria are double-membraned organelles responsible for ATP synthesis via oxidative phosphorylation in the electron transport chain. They regulate cellular metabolism, redox balance, calcium homeostasis, and apoptosis, critical for bioenergetics and cell signaling.https://www.blueoaknx.com/blog/what-are-mitochondria-and-why-are-they-important/ https://www.blueoaknx.com/blog/what-are-mitochondria-and-why-are-they-important/