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Definitions from the Web

Nucleus

Definition:

The nucleus is the core or central part of a cell that contains the genetic material, including chromosomes and DNA, and controls the activities of the cell.

Parts of Speech:

• Noun

Senses:

Sense 1:

The central part of an atom that contains protons and neutrons.

Sample Sentence: The nucleus of an atom is incredibly small compared to the overall size of the atom.

Sense 2:

The core or central part of an organization or system.

Sample Sentence: The nucleus of the company is composed of the CEO and the executive team.

Sense 3:

The central or most important part of something.

Sample Sentence: The nucleus of the story revolves around a hidden secret that drives the plot.

Sense 4:

The spherical organelle within a cell that contains genetic material and controls cell growth and reproduction.

Sample Sentence: The nucleus directs the cell's activities through the expression of specific genes.

Related Products:

• Science Kit with Models of Atomic Nucleus
• Introduction to Molecular Biology: Exploring the Nucleus
• Cell Biology: Understanding the Nucleus