The smallest unit of any living organism and the tissues of the body is known as a cell.
Cell is the basic unit responsible for all the life processes.
Cells are structural, functional, and biological units of the body of a living organism.
Cells are made up of various cell organelles: Nucleus, nuclear membrane, chromosomes, endoplasmic reticulum, Golgi bodies, ribosomes, mitochondria, lysosomes, chloroplast, vacuoles, etc.
The nucleus is the most important part of a cell.
Nucleus:
Nucleus contains genetic material and DNA and is responsible for directing and controlling all cell activities.
Nucleus synthesizes all RNA required by cells.
Nucleus coordinates or directs cell activity, including growth, intermediate metabolism, protein synthesis, and reproduction.
Nucleus contains the nucleolus, the site of DNA replication and RNA synthesis.