n.两性离子；兼性离子

The zwitterion form of amino acids is crucial for their role in biological systems.
氨基酸的两性离子形式对于它们在生物系统中的作用至关重要。
The pH at which an amino acid exists as a zwitterion is known as the isoelectric point.
氨基酸以两性离子形式存在的pH值被称为等电点。
In solution, zwitterions can exist in equilibrium with their ionized forms.
在溶液中，两性离子可以与它们的离子化形式处于平衡状态。
Zwitterions are often more stable than their charged counterparts in aqueous solutions.
两性离子在水溶液中通常比其带电的同类更稳定。
The zwitterionic form of histidine plays a key role in the buffering capacity of blood.
组氨酸的两性离子形式对血液缓冲能力起着关键作用。
Some surfactants act as zwitterions, which allows them to interact with both polar and non-polar molecules.
一些表面活性剂作为两性离子起作用，这使得它们能够与极性和非极性分子相互作用。
In organic chemistry, zwitterions can be used as intermediates in various reactions.
在有机化学中，两性离子可以用作各种反应的中间体。
The zwitterionic form of betaine is responsible for its osmoprotective properties.
甜菜碱的两性离子形式负责其渗透保护特性。
Zwitterions can be stabilized by hydrogen bonding or other non-covalent interactions.
两性离子可以通过氢键或其他非共价相互作用而被稳定。
The zwitterionic nature of amino acids makes them versatile building blocks in peptide synthesis.
氨基酸的两性离子性质使它们成为肽合成中多用途的构建单元。