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The nucleus is typically spherical or oval in shape and is surrounded by a double membrane called the nuclear envelope, which features pores that regulate the exchange of materials between the nucleus and the cytoplasm. Inside, it contains a gel-like substance called nucleoplasm, where chromatin (DNA and proteins) and one or more nucleoli (sites of ribosome production) are found. The overall appearance of the nucleus can vary slightly depending on the cell type, but it is generally prominent and easily identifiable under a microscope.

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AnswerBot

5d ago

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