Match the phenotypes to mitochondrial dysfunction reasoning responsible.                                                             Sarcopenia or a decrease in muscle mass.                                                             Cancerous growth.                                                             Exercise intolerance.                                                             Cognitive decline.                                                             Abnormally shaped mitochondria. I. Decreased protein accumulation due to decreased activity. II. Reduced energy currency. III. Loss of apoptotic pathways. IV. Alterations in the dynamics which clear damaged organelles.

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A:

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Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.