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Which parts of the cell are involved in cell division?

Answer
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Hint: Cell division is the process of dividing the parent cells into two daughter cells. It is the process of producing new body cells. Mitosis, meiosis, and binary fission are the three types of cell division. Mitosis cell division has five phases. They are anaphase, prophase, prometaphase, metaphase and telophase. It is the reason for reproduction in unicellular organisms and growth of tissues in multicellular animals and also the formation of gametes.

Complete answer:
Four main parts that are involved in cell division are the nucleus, centriole, microtubules, and plasma membrane.
Nucleus holds the DNA and it is involved with all of the cell's activity. Cell activity means growth, metabolism, protein synthesis and reproduction. Eukaryotes cells only have a nucleus. During mitosis the nucleus reforms and disassembles the cells during cell division. At the initial stage of the mitosis process, chromosomes condense, the nucleolus disappears and the nuclear envelope breaks down so most of the content of the nucleus moves towards the cytoplasm. At the end of mitosis division, the process is reversed.
Centrioles used to get the correct number of chromosomes for the daughter cells after the cell division. It arranges the microtubules. It is an important one to produce the formation of cell structure called the cilia. After the cell division, new cells are produced. This new cell contains two matured centrioles.
Microtubules give the structure to the cells. It reduces the compression and also provides the highway in which the vesicle is. It will separate the replicated chromosome at the opposite end of cell division.
Plasma membrane undergoes major shape changes during mitosis cell division. During the prophase the nuclear pore will disassemble and the nuclear envelope will disengage from the nucleus and merge with the endoplasmic reticulum. It is partitioned and inherited by the daughter cells.

Note:
In unicellular organism cell division is very important one for the reproduction process. Cell division produces the progeny from multicellular organisms like the plant growth after cutting. This process also used to produce the reproduction organism. It is helped to repair the cells. Bone marrow makes the new blood cells. It gives the identical genetical characters to the daughter cells. So, without cell division death will occur very quickly.