Several members of a family have an autosomal recessive disease characterized by intellectual deterioration, weakness, ataxia, seizures, and death at a young age. Special studies find a defect in one of the enzymes involved in the synthesis of ubiquinone. Which of the following subcellular organelles is most likely to exhibit biochemical defects that contribute to the symptoms exhibited in members of this family?

1. A)Smooth endoplasmic reticulum
2. B)MitochondriaGABARITO
3. C)Golgi apparatus
4. D)Lysosomes
5. E)Ribosomes