Nucleus | Definition, Function, Structure, & Facts | Britannica
Sep 18, 2024 · 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.
Nucleus Definition & Meaning - Merriam-Webster
The meaning of NUCLEUS is the small bright body in the head of a comet. How to use nucleus in a sentence.
Nucleus - Definition and Examples - Biology Online Dictionary
Sep 1, 2023 · A nucleus is a large double-membraned organelle that is sometimes referred to as the “central unit” of the cell because it contains the chromosomes that bear the genetic material. It is not found only in eukaryotic cells and not in prokaryotic cells.
Cell Nucleus (Plant & Animal) - Definition and Function | Biology
Oct 4, 2019 · Cell Nucleus Definition. 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.
Cell Nucleus: Definition, Structure, & Function, with Diagram
Feb 4, 2021 · 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.
NUCLEUS | English meaning - Cambridge Dictionary
NUCLEUS definition: 1. the central part of an atom, usually made up of protons and neutrons 2. the part of a cell that…. Learn more.
NUCLEUS Definition & Meaning | Dictionary.com
Nucleus definition: a central part about which other parts are grouped or gathered; core. See examples of NUCLEUS used in a sentence.