Cell (biology) - Wikipedia
The cell is the basic structural and functional unit of all forms of life or organisms. The term comes from the Latin word cellula meaning 'small room'. A biological cell basically consists of a semipermeable …
Cell | Definition, Types, Functions, Diagram, Division, Theory, & Facts ...
Dec 10, 2025 · cell, in biology, the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed. A single cell is often a complete organism in itself, …
The Cell – Definition, Structure, Types, and Functions
Jun 14, 2025 · Cells carry out essential functions such as energy conversion, reproduction, and communication. The study of cells—cell biology—is central to understanding biology, medicine, and …
Cell Functions - National Geographic Society
Cells function differently in unicellular and multicellular organisms. A unicellular organism depends upon just one cell for all of its functions while a multicellular organism has cells specialized to perform …
7: Cell Structure and Function - Biology LibreTexts
Organelles allow for various functions to occur in the cell at the same time. Before discussing the functions of organelles within a eukaryotic cell, let us first examine two important components of the …
Cell Function - SEER Training
Just as there are many cell types, there are varied cell functions. The generalized cell functions include movement of substances across the cell membrane, cell division to make new cells, and protein …
Cell - Structure and Function - GeeksforGeeks
Dec 30, 2025 · Cells help in the formation of the structure of an organism. A cell is a membrane-bound organelle that has other cell organelles, which perform different functions. The nucleus present in the …
Cellular Functions - Encyclopedia.com
Cellular physiology is a term that is sometimes used to describe the study of cellular functions and processes. All cells in the human body are eukaryotic, which means that they have a well-defined …
Cell parts and functions (article) | Khan Academy
Learn about the structure and function of the cell membrane, nucleus, ribosomes, mitochondria, chloroplasts, and vacuoles. All living things—including plants, animals, and even you!—are made of …
What is a Cell? Exploring the Building Blocks of Life
Apr 7, 2025 · Cells are incredibly diverse in their shape, size, and function, but they all share certain characteristics. At the most fundamental level, a cell consists of a cell membrane, cytoplasm, and …