1. Structure of the plasma membrane - Khan Academy

    https://www.khanacademy.org/science/ap-biology/cell-structure-and-function/plasma-membranes/a/structure-of-the-plasma-membrane

    Learn about the fluid mosaic model of the plasma membrane, which consists of phospholipids, cholesterol, and proteins. Explore the roles and diversity of these components in cell interaction and communication.

  2. Cell Membrane - The Definitive Guide - Biology Dictionary

    https://biologydictionary.net/cell-membrane/

    Learn about the cell membrane, a double layer of lipids and proteins that surrounds a cell and regulates its interactions with the environment. Find out how the cell membrane allows substances to cross, how it participates in signaling and communication, and what its main components are.

  3. Cell membrane - Wikipedia

    https://en.wikipedia.org/wiki/Cell_membrane

    Learn about the cell membrane, a biological membrane that separates and protects the interior of a cell from the outside environment. Explore its composition, function, variations, and the history of its discovery and study.

  4. Cell Membranes | Learn Science at Scitable - Nature

    https://www.nature.com/scitable/topicpage/cell-membranes-14052567/

    Learn how cell membranes are made of lipids and proteins that form a fluid mosaic and regulate the exchange of molecules and signals. Explore the roles of glycerophospholipids, cholesterol, transmembrane proteins, and peripheral proteins in cell membranes.

  5. Cell Membrane: Definition, Structure, & Functions with Diagram

    https://www.sciencefacts.net/cell-membrane.html

    Learn about the cell membrane, a thin layer that surrounds the cytoplasm of all cells and allows certain substances to pass through. Find out its main components (lipids, proteins, and carbohydrates), its structure (fluid mosaic model), and its functions (selective permeability, protection, homeostasis, etc.).

  6. 6.3: Structure of the Cell Membrane - Biology LibreTexts

    https://bio.libretexts.org/Courses/Lumen_Learning/Biology_for_Non_Majors_I_(Lumen)/06%3A_Cell_Membranes/6.03%3A_Structure_of_the_Cell_Membrane

    Learn about the fluid mosaic model of the plasma membrane, which consists of phospholipids, cholesterol, proteins, and carbohydrates. Explore the functions and examples of these components, such as receptors, channels, pumps, and recognition sites.

  7. Plasma Membrane - Definition, Structure, Functions - Biology Dictionary

    https://biologydictionary.net/plasma-membrane/

    Learn about the plasma membrane, also known as the cell membrane, which is a network of lipids and proteins that forms the boundary between a cell and its environment. Find out how it protects, regulates, and communicates with the cell and its surroundings.

  8. The Cell Membrane - Structure - Function - TeachMePhysiology

    https://teachmephysiology.com/histology/cell-structures/cell-membrane/

    Learn about the cell membrane, a vital component of the cell that separates the intracellular and extracellular environment. Find out how it is composed of lipids, proteins and carbohydrates, and what functions it performs in different cells and organelles.

  9. Membrane | Definition, Structure, & Functions | Britannica

    https://www.britannica.com/science/membrane-biology

    Learn about the membrane, the thin layer that forms the outer boundary of a living cell or of an internal cell compartment. Find out how membranes are composed of lipids, proteins, and carbohydrates, and how they perform various functions such as transport, protection, and separation.