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BIO NMDCAT Cytoplasmic Organelles
nmdcat.online July 4, 2026

75. The generation of dangerous reactive oxygen species (ROS) inside animal cells occurs as an inevitable downstream byproduct of electron leakage along the

A. Nuclear envelope mesh
B. Smooth ER detox pathway
C. Mitochondrial electron transport chain
✓
D. Golgi network cisternae

📝 Explanation

Premature electron transfers to oxygen at complexes I and III form superoxide radicals, making the mitochondrion the chief producer of intracellular ROS.

📖 Additional Information

  • Nuclear envelope mesh
  • Smooth ER detox pathway
  • Mitochondrial electron transport chain
  • Golgi network cisternae

Premature electron transfers to oxygen at complexes I and III form superoxide radicals, making the mitochondrion the chief producer of intracellular ROS.

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