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  1. Microscopy: Intro to microscopes & how they work (article

    Let’s not limit it to plants, either: exquisite layers of cells can be found in your skin, in an insect’s wing, and in just about any other living tissue you choose to look at. We, and the world around …

  2. Cell biology and microscopy (article) | Khan Academy

    Learn about cell biology and the different types of microscopes that allow us to observe cell structure and function.

  3. Intro to cells (article) | Khan Academy

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

  4. Introduction to cells review (article) | Khan Academy

    And there is an electron microscope that allows you to see live cells, the Scanning Electron Microscope (SEM). This technique allows you to see the surface of just about any sample, …

  5. Structure of a cell | Biology archive | Science | Khan Academy

    Unit 5: Structure of a cell About this unit This unit is part of the Biology archive. Browse videos and articles by topic. For our most up-to-date, mastery-enabled courses, check out High …

  6. Introduction to the cell (video) | Khan Academy

    Cells 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 …

  7. Cells and organisms (article) | Khan Academy

    All cells come from other cells. New cells are made through a process called cell division. During cell division, one cell grows and splits into two. Single cells are typically too small to be seen …

  8. Microscopie (leçon) | Khan Academy

    Un microscope est un instrument qui agrandit des objets trop petits pour être vus, produisant une image dans laquelle l'objet apparaît plus grand. La plupart des photographies de cellules sont …

  9. Microscopía (artículo) | Khan Academy

    A tour of the cell (Una visita guiada por la célula). En Campbell Biology (10° ed., págs. 92-123). San Francisco, CA: Pearson. Silfies, J. S., Schwartz, S. A. y Davidson, M. W. (2013). The …

  10. Prokaryotic and eukaryotic cells (article) | Khan Academy

    A diagram of a typical eukaryotic cell (top), and examples of eukaryotic organisms (bottom). The bottom-left micrograph shows a unicellular amoeba, and the bottom-right photograph shows …