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Spectrin is a cytoskeletal protein that lines the intracellular side of the plasma membrane in eukaryotic cells. (Source Wiki.)
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What causes the shape of a red blood cell?
Spectrin
What is spectrin and where is it found?
Spectrin is a cytoskeletal protein that plays a role in maintaining the structure and stability of cell membranes. It is commonly found in red blood cells, where it helps give the cells their characteristic biconcave shape and flexibility. Spectrin is also found in other types of cells, where it functions in cell shape, movement, and stability.
What is a fibrous protein that gives shape to an RBC plasma membrane?
Spectrin is a fibrous protein that helps give shape to the red blood cell plasma membrane. It plays a critical role in maintaining the flexibility and stability of the membrane, allowing red blood cells to deform as needed to pass through narrow capillaries.
What has the author John H Hartwig written?
John H. Hartwig has written: 'Actin-binding proteins 1: spectrin superfamily'
What is an ankyrin?
An ankyrin is any of a family of adaptor proteins which mediate the attachment of integral membrane proteins to the spectrin-actin based membrane skeleton.
What is late erythroblast?
It is a phase in the production of erythrocytes where hemoglobin and spectrin are beginning to be produced by the ribosomes of the hemocytoblast stem cells in red bone marrow.
What cellular component would be responsible for the classic shape of a red blood cell?
The red blood cell's biconcave shape is primarily maintained by the flexible plasma membrane. The cytoskeleton, particularly the protein spectrin, plays a key role in supporting and stabilizing this unique shape under changing conditions.
Why do red blood cells that do not contain spectrin burst more quicly when put in distilled water?
Water passively moves from an area of high water concentration (the dilute water) to low water conc. (in cell) (i.e. down the water potential). This causes the cell to swell up and its contents to dilute. It eventually stops swelling when the water potential reaches zero i.e. when the tonicity of the environment = the tonicity inside the cell. If its membrane can't cope with the swelling it may eventually burst.
What substance accounts for the flexibility of the membrane of the red blood cell?
The flexibility of the red blood cell membrane is due to its high content of cholesterol and special proteins called spectrin and actin. These components help maintain the structure and flexibility of the membrane, allowing the cell to change shape as it moves through blood vessels.
What determines the shape or form of erythrocytes?
The shape of erythrocytes, or red blood cells, is determined by their biconcave disc shape. This shape allows for a larger surface area for oxygen exchange. The cytoskeletal proteins, specifically spectrin and actin, play a key role in maintaining the shape and flexibility of erythrocytes.
What are some eight letter words with 1st letter S and 5th letter T and 6th letter R and 7th letter I?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern S---TRI-. That is, eight letter words with 1st letter S and 5th letter T and 6th letter R and 7th letter I. In alphabetical order, they are: spectrin
What helps maintain flexibility of membrane?
Cholesterol molecules embedded in the lipid bilayer help maintain the fluidity and flexibility of cell membranes by stabilizing them at different temperatures. Additionally, unsaturated fatty acids in the phospholipid molecules can prevent tight packing of the lipids and enhance membrane flexibility. Proteins such as integrins and spectrin can also play a role in maintaining membrane flexibility by allowing for movement and deformation of the membrane.
