2024年12月16日 · 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. The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes.

2021年2月4日 · Nucleus is a membrane-bound organelle that houses DNA, the genetic material of a eukaryotic cell whereas nucleolus is a sub-organelle found within the nucleus containing RNA and is responsible for ribosome synthesis.

2017年7月30日 · The cell nucleus is a large organelle in eukaryotic organisms which protects the majority of the DNA within each cell. The nucleus also produces the necessary precursors for protein synthesis.

2024年10月8日 · The cell nucleus is a membrane-bound organelle that houses the genetic material in eukaryotic cells, functioning as the control center for cellular activity. It is one of the most defining features of eukaryotes, distinguishing them from prokaryotes, which lack a membrane-bound nucleus.

The cell nucleus (from Latin nucleus or nuculeus 'kernel, seed'; pl.: nuclei) is a membrane-bound organelle found in eukaryotic cells. Eukaryotic cells usually have a single nucleus, but a few cell types, such as mammalian red blood cells, have no nuclei, and a …

2019年11月6日 · The cell nucleus is a membrane-bound structure that contains a cell's hereditary information and controls its growth and reproduction. It is the command center of a eukaryotic cell and is usually the most notable cell organelle in both size and function.

2023年10月31日 · The main function of the cell nucleus is to control gene expression and mediate the replication of DNA during the cell cycle. It controls the hereditary characteristics of an organism. The organelle is also responsible for protein …