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Amphipathic

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amphipathic
Definition of amphipathic
This describes a molecule which possesses both hydrophilic and hydrophobic elements.

 


Amphipathic:
Structures that have two surfaces:one hydrophilic and one hydrophobic.
Amplicon: ...

Amphipathic: A molecule that has both a hydrophobic and a hydrophilic part.
Analogy: A similarity due to convergent evolution (common function) but not due to having a common ancestor (bat's wings and bird's wings). See also homology.

amphipathic molecule
A molecule that has both a hydrophilic region and a hydrophobic region.
anabolic steroids ...

amphipathic Adjective to describe a molecule with one part soluble in water (polar) and another part insoluble in water (nonpolar).
amphipods A group of small, laterally compressed crustaceans that includes beach hoppers and others.

3 Amphipathic character
4 See also
5 References
[edit] Components
They are built upon to a nitrogen-containing alcohol like ethanolamine or an organic compound such as choline.

bile salts Amphipathic steroid derivatives with detergent properties, participating in digestion and absorption of lipids.
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An aggregate of amphipathic molecules in water, with the nonpolar portions in the interior and the polar portions at the exterior surface, exposed to water.
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bilayer A double layer of amphipathic lipid molecules which orient themselves so the hydrocarbon tails face inward to form a continuous nonpolar phase and the polar head groups face outward. In this way they form the basic structure of membranes.

Such sequences form amphipathic a-helices, which assemble into helical bundles via knobs-into-holes interdigitation of residues from neighbouring helices.

(Science: cell biology) amphipathic, surface active, molecules with polar (water soluble) and nonpolar hydrophobic) domains. They bind strongly to hydrophobic molecules or molecular domains to confer water solubility.

transmembrane proteins - amphipathic proteins that extend through the bilayer with part of their mass on both sides of the bilayer
acetyl coenzvme A (acetylCoA)-small water-soluble molecule that carries acetyl groups in cells.

The substitution Arg173----Cys in the AIMilano dramatically alters the amphipathic nature of the modified alpha-helical fragment of apoprotein AI. The association rate with lipids is accelerated by an increased exposure of hydrophobic residues.

See also: Cell, Molecule, Organ, Enzyme, Protein