Nutritional Biochemistry: From the Classroom to the Research Bench

The Cell: The Basic Functional Unit of Life

Author(s): Sami Dridi

Pp: 19-53 (35)

DOI: 10.2174/9789815051575122010005

* (Excluding Mailing and Handling)

Abstract

Cell is the smallest and the basic functional unit of life. Every organism,
whether prokaryotic, archaeans, or eukaryotic, is composed of a basic building block
which is the Cell. A cell consists of a cell membrane, a nucleus, and a cytoplasm where
intricate arrangements of fine fibers and organelles lie. Cells are specialized for a
specific purpose, they form tissues which in turn form organs, and several organs make
up the system, and several systems that function together form the organism. The
present chapter aims to describe the body, tissues, system, organism, and the structure
and function of the major cell organelles with a focus on eukaryotic cells.


Keywords: Cell, Organism, Organ, Organelle, Tissue, System.

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