what is a nucleus and what is inside a nucleus
Answers
Nucleus, in biology, a specialized structure occurring in most cells (except bacteria and blue-green algae) and separated from the rest of the cell by a double layer, the nuclear membrane. This membrane seems to be continuous with the endoplasmic reticulum (a membranous network) of the cell and has pores, which probably permit the entrance of large molecules. The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information. Nucleoli are small bodies often seen within the nucleus. The gel-like matrix in which the nuclear components are suspended is the nucleoplasm.
Answer:
Nucleus is a large cell organelle. It has a double layered covering called nucleus membrane. Then nucleus membrane has parents which allow transfer to each outside to the cytoplasm. These chromosomes contain DNA and protein. The nucleus place a central role in cellular reproduction.