Question

defind nuclus short note​

Answer 1

Answer:

nucleus is a membrane-bound organelle found in eukaryotic cells. Eukaryotes usually have a single nucleus, but a few cell types, such as mammalian red blood cells, have no nuclei, and a few others including osteoclastshave many.

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Answer 2

Answer:

In cells,the nucleus is main arena that control the whole cell and gives instructions to all cell organelles to perform their work.It is in rounded shape with double nuclear membrane.It contains nucleolus that have chromosome that helps in determining the sex of baby by the help of gens in it.