Task: Text Categorization
Input (English): The membrane of this structure features a channel composed of Tom40 proteins, and amphipathic N-terminal signal sequences direct proteins to this structure. A missing protein in this structure is the cause of Friedreich's ataxia, and altered signaling pathways in this structure are the cause of Leber's hereditary optic neuropathy. Like the nucleus, it is surrounded by a double membrane, and this organelle has numerous invaginations called cristae. Home to the citric acid cycle and electron transport chain, this organelle has its own DNA. FTP name this organelle that produces the energy molecule ATP.
Output (English): Science