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

  • question_answer
                 Where are chromosomes located? What are they composed of? What is chromatin material and how does it change just before the cell divides?

    Answer:

                      Chromosomes are located in the nucleus of the cells.                                                              (1) Chromosomes are composed of DNA and protein.                                                               (1) Chromatin is a mass of thread-like structure that condense to form chromosomes just before the cell divides.                                  (1)


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