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Plasma Membrane - Definition, Structure, Functions - Biology …
https://biologydictionary.net/plasma-membrane/
WEBMar 26, 2019 · The plasma membrane of a cell is a network of lipids and proteins that forms the boundary between a cell’s contents and the outside of the cell. It is also simply called the cell membrane. The main function of the plasma membrane is to protect the cell from its surrounding environment.
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The Plasma Membrane - An Overview, Facts and its Importance
https://byjus.com/biology/plasma-membrane/
WEBThe plasma membrane functions as a physical barrier between the external environment and the inner cell organelles. The plasma membrane is a selectively permeable membrane, which permits the movement of only certain …
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Structure of the plasma membrane (article) | Khan Academy
https://www.khanacademy.org/science/ap-biology/cell-structure-and-function/plasma-membranes/a/structure-of-the-plasma-membrane
WEBWhat exactly is its job? The plasma membrane not only defines the borders of the cell, but also allows the cell to interact with its environment in a controlled way. Cells must be able to exclude, take in, and excrete various substances, all in specific amounts.
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5: Structure & Function of Plasma Membranes - Biology LibreTexts
https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/General_Biology_1e_(OpenStax)/2%3A_The_Cell/5%3A_Structure_and_Function_of_Plasma_Membranes
WEB5.1: Components and Structure. Among the most sophisticated functions of the plasma membrane is the ability to transmit signals by means of complex, integral proteins known as receptors. These proteins act both as receivers of extracellular inputs and as activators of intracellular processes.
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Cell membrane | Definition, Function, & Structure | Britannica
https://www.britannica.com/science/cell-membrane
WEBMar 27, 2024 · cell membrane, thin membrane that surrounds every living cell, delimiting the cell from the environment around it. Enclosed by this cell membrane (also known as the plasma membrane) are the cell’s constituents, often large, water-soluble, highly charged molecules such as proteins, nucleic acids, carbohydrates, and …
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The cell membrane review (article) | Khan Academy
https://www.khanacademy.org/science/ap-biology/cell-structure-and-function/plasma-membranes/a/hs-the-cell-membrane-review
WEBKey terms. Structure and function of the cell membrane. The cell membrane is semipermeable (or selectively permeable). It is made of a phospholipid bilayer, along with other various lipids, proteins, and carbohydrates. Image modified from OpenStax Biology. Each phospholipid is amphipathic, with two hydrophobic tails and a hydrophilic head.
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Plasma membrane and cytoplasm (article) | Khan Academy
https://www.khanacademy.org/science/biology/structure-of-a-cell/prokaryotic-and-eukaryotic-cells/a/plasma-membrane-and-cytoplasm
WEBThe plasma membrane is the border between the interior and exterior of a cell. As such, it controls passage of various molecules—including sugars, amino acids, ions, and water—into and out of the cell. How easily these molecules can cross the membrane depends on their size and polarity.
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Cell Membranes | Learn Science at Scitable - Nature
https://www.nature.com/scitable/topicpage/cell-membranes-14052567/
WEBCell membranes protect and organize cells. All cells have an outer plasma membrane that regulates not only what enters the cell, but also how much of any given substance comes in. Unlike...
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Cell membrane - Wikipedia
https://en.wikipedia.org/wiki/Cell_membrane
WEBThe cell membrane (also known as the plasma membrane or cytoplasmic membrane, and historically referred to as the plasmalemma) is a biological membrane that separates and protects the interior of a cell from the outside environment (the extracellular space).
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Cell Membrane - The Definitive Guide | Biology Dictionary
https://biologydictionary.net/cell-membrane/
WEBLast Updated: October 19, 2020. Definition. The cell membrane, also known as the plasma membrane, is a double layer of lipids and proteins that surrounds a cell. It separates the cytoplasm (the contents of the cell) from the external environment. It is a feature of all cells, both prokaryotic and eukaryotic.
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