The component of a living cell affected by the pollutant SO2 is:
Correct answer: A. All cell membrane system
- A. All cell membrane system
- B. Nucleus
- C. Cell wall
- D. Plasmodesmata
Explanation
Sulfur dioxide can injure plant cells by disrupting membranes and membrane-bound processes, including chloroplast and mitochondrial functions, so the broad membrane-system option is the best choice. The effect is not limited specifically to the nucleus, cell wall, or plasmodesmata.
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