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Learn Biology: Cells—The Nucleus

Learn Pilates (but save $$$): biology expert Mary Poffenroth tells you what you need to know about the cell nucleus.The Nucleus---------------------------------------------------------------------The nucleus is where most of the DNA in eukaryotic organisms is stored within a cell. Within the nucleus is the nucleolus, where ribosomes are made. The nucleus is surrounded by a double outer membrane with pores that allow for the movement between the cytoplasm and the nucleus. of the Nucleus---------------------------------------------------------------------Long strands of DNA in the nucleus combine with special proteins to form a long fiber called chromatin. The chromatin is then used to create chromosomes. The number of chromosomes in each cell depends on the species in question. more by visiting our page at:
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