These are called "chromosomes." They help carry your DNA and are an important factor in many of your physical aspects.
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Explanation:
Its important to have resources that way the reader can go back and verify the information that is on the research paper for their own reasons
It would be D, fertilization.
They actually divide rarely, which are put in the category of G0 in the cell cycle. in G0, cells are unlikely to divide but still carry out their normal functions. some data suggests that neurons can divide but there is still research going on for this