catabolic process cellular metabolic process process utilizing autophagic mechanism catabolic process cellular metabolic process process utilizing autophagic mechanism catabolic process cellular metabolic process process utilizing autophagic mechanism catabolic process cellular metabolic process process utilizing autophagic mechanism catabolic process cellular metabolic process process utilizing autophagic mechanism catabolic process cellular metabolic process process utilizing autophagic mechanism catabolic process cellular metabolic process process utilizing autophagic mechanism catabolic process cellular metabolic process process utilizing autophagic mechanism catabolic process cellular metabolic process process utilizing autophagic mechanism catabolic process cellular metabolic process process utilizing autophagic mechanism catabolic processcatabolic process cellular metabolic processcellular metabolic process process utilizing autophagic mechanismprocess utilizing autophagic mechanism cell organelle membrane membrane-enclosed lumen cell organelle membrane membrane-enclosed lumen cell organelle membrane membrane-enclosed lumen cell organelle membrane membrane-enclosed lumen cell organelle membrane membrane-enclosed lumen cell organelle membrane membrane-enclosed lumen cell organelle membrane membrane-enclosed lumen cell organelle membrane membrane-enclosed lumen cell organelle membrane membrane-enclosed lumen cell organelle membrane membrane-enclosed lumen cellcell organelleorganelle membranemembrane membrane-enclosed lumenmembrane-enclosed lumen