Admission Test for Dental Hygiene (ATDH) Practice

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What is the primary role of the nucleus in a cell?

Synthesizing proteins
Storing genetic material
Producing energy
Transporting materials

The correct answer is: Storing genetic material

The primary role of the nucleus in a cell is to store genetic material. The nucleus contains most of the cell's genetic information in the form of DNA, which is organized into chromosomes. This genetic material is crucial for regulating cell functions, including growth, division, and the synthesis of proteins. It houses the instructions for building proteins and provides the information needed for cellular processes. While other cellular components and organelles perform functions such as protein synthesis, energy production, and material transport, the nucleus serves as the control center that holds the genetic blueprint necessary for these activities.