noun The central and most important part of an object, movement, or group.
In medical imaging, the nucleus can refer to the central part of a cell or structure being examined.
The nucleus houses the chromosomes and genes that determine an organism's traits.
In nuclear chemistry, the nucleus refers to the positively charged center of an atom.
In nuclear physics, the nucleus is the positively charged core of an atom composed of protons and neutrons.
The nucleus is a membrane-bound organelle that contains the genetic material of a cell.
The nucleus is involved in the synthesis of proteins and other essential molecules in a cell.
The nucleus is responsible for controlling gene expression and DNA replication within a cell.
In biology writing, a writer may refer to the nucleus as the central organelle in a cell that contains the genetic material.
A psychologist may use the term nucleus in the context of the brain, referring to specific groups of neurons within the brain that are involved in various functions such as emotion regulation.
Chemists may use the term nucleus in the context of nuclear chemistry, referring to the central part of an atom that contains protons and neutrons.
Physicists may refer to the nucleus in the context of nuclear physics, studying the structure and properties of atomic nuclei.
Biologists may use the term nucleus to refer to the membrane-bound organelle within a cell that contains the cell's DNA.