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Bookmark or Share- Introduction to the cell (video) | Khan AcademyCells are the most basic unit of life. All cells have a membrane that separates them from the outside world. Although cells are small, they are not simple. Cells contain different components, such as the cytoplasm, ribosomes, and genetic information in the form of DNA. Created by Sal Khan. Questions. Tips & Thanks. Want to join the conversation?
- Cell (biology) - WikipediaThe cell is the basic structural and functional unit of all forms of life. Every cell consists of cytoplasm enclosed within a membrane; many cells contain organelles, each with a specific function. The term comes from the Latin word cellula meaning 'small room'. Most cells are only visible under a microscope.
- Intro to cells (article) | Khan AcademyA cell has three main parts: the cell membrane, the nucleus, and the cytoplasm. The cell membrane surrounds the cell and controls the substances that go into and out of the cell. The nucleus is a structure inside the cell that contains the nucleolus and most of the cell's DNA.
- Cell | Definition, Types, Functions, Diagram, Division, Theory, & Facts ...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, such as a bacterium or yeast. Other cells acquire specialized functions as they mature.
- Cell parts and functions (article) | Khan AcademyScience. Middle school biology - NGSS. Cells and organisms. Cell parts and functions. Google Classroom. Review your understanding of cell parts and functions in this free article aligned to NGSS standards. Key points: All cells have a cell membrane that separates the inside and the outside of the cell, and controls what goes in and comes out.
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