Search results
Results from the WOW.Com Content Network
Glycolipid. Glycolipids are lipids with a carbohydrate attached by a glycosidic (covalent) bond. [1] Their role is to maintain the stability of the cell membrane and to facilitate cellular recognition, which is crucial to the immune response and in the connections that allow cells to connect to one another to form tissues. [2]
A covalent bond is a chemical bond that involves the sharing of electrons to form electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs. The stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding. [1]
These researchers extracted the lipid from human red blood cells and measured the amount of surface area the lipid would cover when spread over the surface of the water. Since mature mammalian red blood cells lack both nuclei and cytoplasmic organelles, the plasma membrane is the only lipid-containing structure in the cell. Consequently, all of ...
It is found in some gram-negative cell walls, is one of the most abundant membrane proteins; its molecular weight is about 7.2 kDa. It is bound at its C-terminal end (a lysine ) by a covalent bond to the peptidoglycan layer (specifically to diaminopimelic acid molecules [ 2 ] ) and is embedded in the outer membrane by its hydrophobic head (a ...
Phosphatidylserine (PS) is the major acidic phospholipid class that accounts for 13–15% of the phospholipids in the human cerebral cortex. [7] In the plasma membrane, PS is localized exclusively in the cytoplasmic leaflet where it forms part of protein docking sites necessary for the activation of several key signaling pathways.
When they compared the area of the monolayer to the surface area of the cells, they found a ratio of two to one. [113] Later analyses showed several errors and incorrect assumptions with this experiment but, serendipitously, these errors canceled out and from this flawed data Gorter and Grendel drew the correct conclusion- that the cell ...
Indeed, they can be viewed as a string of beads, with each bead representing a single nucleotide or amino acid monomer linked together through covalent chemical bonds into a very long chain. In most cases, the monomers within the chain have a strong propensity to interact with other amino acids or nucleotides.
The binding sites have been investigated by: support vector machine applied to "CryptoSite" data set, [29] Extension of "CryptoSite" data set, [30] long timescale molecular dynamics simulation with Markov state model and with biophysical experiments, [31] and cryptic-site index that is based on relative accessible surface area. [32]