The nucleus maintains the integrity of genes and controls the activities of the cell by regulating gene expression. Because the nuclear envelope is impermeable to large molecules, nuclear pores are …

Jan 5, 2026 · 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.

Oct 8, 2024 · The nucleus is a large, membrane-bound organelle in eukaryotic cells that contains the cell’s genetic material in the form of DNA. Its primary role is to regulate gene expression, mediate …

1 day ago · A nucleus is a membrane-bound organelle that contains the cell's chromosomes.

Aug 3, 2025 · The nucleus is a defining feature of eukaryotic cells—those with complex internal structures, such as plants, animals, fungi, and protists. Prokaryotic cells, like bacteria and archaea, …

Oct 31, 2023 · The nucleus is separated from the rest of the cell or the cytoplasm by a nuclear membrane. As the nucleus regulates the integrity of genes and gene expression, it is also referred to …

May 8, 2025 · 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 …

Nov 13, 2015 · The nucleus is a highly specialized organelle that serves as the information processing and administrative center of the cell.

Jun 2, 2024 · Simply put, a nucleus is a membrane-bound organelle found in all eukaryotic cells that contains the genetic and chromosomal information of an organism. The nucleus holds the …

Typically, the nucleus is the most prominent organelle in a cell. The nucleus (plural = nuclei) houses the cell’s DNA and directs the synthesis of ribosomes and proteins.