Write the functional activity of the following :-
1) Spindle fibre
2) Centromere
3) Cell plate
4) Nucleus
5) Phloem
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- They are responsible for the segregation of sister chromatids and movement of chromosomes during mitotic and meiotic divisions
- Movement of chromosomes during mitosis and meiosis cell division is due to spindle fibres.
- The physical role of the centromere is to act as the site of assembly of the kinetochores
- Cell walls serve the double purpose of protecting the precious contents of plant cells, such as their nuclei, and allowing a plant to have free-standing structure.
- It is responsible for storing the cell's hereditary material or the DNA. It is responsible for coordinating many of the important cellular activities such as protein synthesis, cell division
- The phloem is also a pathway to signaling molecules and has a structural function in the plant body.
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