In humans, selenocysteine is _______. Select one: a. a toxic amino acid encoded by the cysteine codon b. a toxic amino acid encoded by a stop codon c. a glycolipid found on membranes d. a protein with a selenium cofactor e. the 21st amino acid and encoded by a traditional stop codon

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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.