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  1. Cell: Cell - Cell Press

    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 …

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

    Dec 1, 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 …

  3. 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.

  4. 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 …

  5. Intro to cells (article) | Khan Academy

    An introduction to cells, including the history of their discovery and the development of cell theory.

  6. 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. …

  7. 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.

  8. 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 …

  9. A primer on the components of human cells

    Aug 23, 2024 · The gel-like substance enclosed by the cell membrane that houses the cell’s structures. It’s mainly composed of water, salts and organic molecules and is where many …

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

    Oct 15, 2025 · Cells are the basic units of life. The body contains trillions of cells, which vary widely in size, number, structure, and function. Cells also communicate with each other. …