Cell membrane | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-03-17

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Cell_membrane


00:00:54 1 History
00:06:22 2 Composition
00:07:37 2.1 Lipids
00:11:02 2.2 Phospholipids forming lipid vesicles
00:12:09 2.3 Carbohydrates
00:13:14 2.4 Proteins
00:15:37 3 Function
00:20:22 4 Prokaryotes
00:22:48 5 Structures
00:22:57 5.1 Fluid mosaic model
00:23:42 5.2 Lipid bilayer
00:25:52 5.3 Membrane polarity
00:27:04 5.4 Membrane structures
00:27:41 5.5 Cytoskeleton
00:28:54 5.6 Intracellular membranes
00:32:01 5.7 Variations
00:33:38 6 Permeability
00:34:21 7 See also
00:34:30 8 Notes and references
00:34:39 9 External links



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SUMMARY
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The cell membrane (also known as the plasma membrane (PM) or cytoplasmic membrane, and historically referred to as the plasmalemma) is a biological membrane that separates the interior of all cells from the outside environment (the extracellular space) which protects the cell from its environment consisting of a lipid bilayer with embedded proteins. The cell membrane controls the movement of substances in and out of cells and organelles. In this way, it is selectively permeable to ions and organic molecules. In addition, cell membranes are involved in a variety of cellular processes such as cell adhesion, ion conductivity and cell signalling and serve as the attachment surface for several extracellular structures, including the cell wall, the carbohydrate layer called the glycocalyx, and the intracellular network of protein fibers called the cytoskeleton. In the field of synthetic biology, cell membranes can be artificially reassembled.