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  5. The Fundamental Unit of Life

9th Class Science The Fundamental Unit of Life Question Bank 9th CBSE Science The Fundamental Unit of Life

  • question_answer
      The nuclear membrane, which envelops the nucleus is selectively permeable, why?

    Answer:

                      Selective permeability means that the cell membrane has some control over what can cross it, so that only certain molecules either enter or leave the cell.


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