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Illustration of a eukaryotic cell membrane Comparison of a eukaryotic vs. a prokaryotic cell membrane. The 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).
The components of bilayers are distributed unequally between the two surfaces to create asymmetry between the outer and inner surfaces. [2] This asymmetric organization is important for cell functions such as cell signaling. [3] The asymmetry of the biological membrane reflects the different functions of the two leaflets of the membrane. [4]
Original - The cell membrane, also called the plasma membrane or plasmalemma, is a semipermeable lipid bilayer common to all living cells. It contains a variety of biological molecules, primarily proteins and lipids, which are involved in a vast array of cellular processes. Edited Edit 2 Edit 3 Reason
The secretion ATPase, GspE, is an ATPase which is found closely associated with the inner membrane complex on the cytoplasmic side of the inner membrane. [12] GspE belongs to the type II/type IV secretion ATPase family. ATPases belonging to this family have a distinct hexameric structure. Each individual subunit of the hexamer has 3 main domains.
Cellular extensions also known as cytoplasmic protrusions and cytoplasmic processes are those structures that project from different cells, in the body, or in other organisms. Many of the extensions are cytoplasmic protrusions such as the axon and dendrite of a neuron , known also as cytoplasmic processes.
Also, the cortical NMDA receptor influences membrane fluidity, and is altered in Alzheimer's disease. [19] When the cell is infected by a non-enveloped virus, the virus first binds to specific membrane receptors and then passes itself or a subviral component to the cytoplasmic side of the cellular membrane.
[2] [11] The term S-acylation can also be used when other medium and long fatty acids chains are also attached to palmitoylated proteins. No consensus sequence for protein palmitoylation has been identified. [11] Palmitoylated proteins are mainly found on the cytoplasmic side of the plasma membrane where they play a role in transmembrane signaling.
The cytosol, also known as cytoplasmic matrix or groundplasm, [2] is one of the liquids found inside cells (intracellular fluid (ICF)). [3] It is separated into compartments by membranes. For example, the mitochondrial matrix separates the mitochondrion into many compartments.