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A crista (/ ˈ k r ɪ s t ə /; pl.: cristae) is a fold in the inner membrane of a mitochondrion. The name is from the Latin for crest or plume , and it gives the inner membrane its characteristic wrinkled shape, providing a large amount of surface area for chemical reactions to occur on.
The end of cristae are partially closed by transmembrane protein complexes that bind head to head and link opposing crista membranes in a bottleneck-like fashion. [2] For example, deletion of the junction protein IMMT leads to a reduced inner membrane potential and impaired growth [ 3 ] and to dramatically aberrant inner membrane structures ...
OPA1 plays both a genetic and molecular role in mitochondrial fusion and in cristae remodeling during apoptosis. [5] OPA1 exists in two forms; the first being soluble and found in the intermembrane space, and the second as an integral inner membrane form, work together to restructure and shape the cristae during and after apoptosis.
A mitochondrion (pl. mitochondria) is an organelle found in the cells of most eukaryotes, such as animals, plants and fungi.Mitochondria have a double membrane structure and use aerobic respiration to generate adenosine triphosphate (ATP), which is used throughout the cell as a source of chemical energy. [2]
The inner membrane is a phospholipid bilayer that contains the complexes of oxidative phosphorylation. which contains the electron transport chain that is found on the cristae of the inner membrane and consists of four protein complexes and ATP synthase.
Why Nutcrackers Are Associated with Christmas. While Christmas nutcrackers were popular in Europe, they didn't really become an American tradition until during World War II. Soldiers would ship ...
Cell signaling or cell communication is important for cell regulation and for cells to process information from the environment and respond accordingly. Signaling can occur through direct cell contact or endocrine , paracrine , and autocrine signaling .
A young Jimmy Carter was no stranger to gospel music growing up in the small rural town of Plains, Georgia during the ’20s and early ’30’. He heard it sung by Black tenant farmers working on ...