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  1. Cell (biology) - Wikipedia

    Most distinct cell types arise from a single totipotent cell, called a zygote, that differentiates into hundreds of different cell types during the course of development.

  2. Cell | Definition, Types, Functions, Diagram, Division, Theory, & Facts ...

    Oct 7, 2025 · A cell is a mass of cytoplasm that is bound externally by a cell membrane. Usually microscopic in size, cells are the smallest structural units of living matter and compose all living …

  3. The Cell – Definition, Structure, Types, and Functions

    Jun 14, 2025 · A cell is the smallest structural and functional unit of an organism, typically microscopic, consisting of cytoplasm and a membrane, and in most cases containing a nucleus and organelles.

  4. Cell - Structure and Function - GeeksforGeeks

    Jul 23, 2025 · In this article, we will learn about cell theory, types of cells, the structure and function of cells, and the diagram of cells. Cell Definition Cell is the smallest, fundamental unit of life and is …

  5. Cell - National Human Genome Research Institute

    2 days ago · All cells can be sorted into one of two groups: eukaryotes and prokaryotes. A eukaryote has a nucleus and membrane-bound organelles, while a prokaryote does not. Plants and animals are …

  6. What Is a Cell? | Learn Science at Scitable - Nature

    All cells evolved from a common ancestor and use the same kinds of carbon-based molecules. Learn how cell function depends on a diverse group of nucleic acids, proteins, lipids, and sugars.

  7. What is a cell? | British Society for Cell Biology - BSCB

    There is no such thing as a typical cell but most cells have chemical and structural features in common. This is very important from the point of view of cell and molecular biology.

  8. Cell: Cell Press

    Oct 16, 2025 · Cell publishes findings of unusual significance in any area of experimental biology, including but not limited to cell biology, molecular biology, neuroscience, immunology, virology and …

  9. What is a cell?: MedlinePlus Genetics

    Feb 22, 2021 · Human cells contain the following major parts, listed in alphabetical order: Within cells, the cytoplasm is made up of a jelly-like fluid (called the cytosol) and other structures that surround …

  10. The cell: Types, functions, and organelles - Medical News Today

    Oct 15, 2025 · A cell is the smallest living organism and the basic unit of life on earth. Together, trillions of cells make up the human body. Cells have three main parts: the membrane, the nucleus, and the ...