Examlex
Which type(s) of mutation might lead to a threonine auxotrophic revertant?
Covalently Bonded
Atoms that are linked together by sharing pairs of electrons to achieve stability.
Ionic Bond
Type of chemical bond in which a strong mutual attraction links ions of opposite charge.
Chemical Bond
Attractive force that arises between two atoms when their electrons interact; links atoms into molecules.
Nonionic Solids
Substances that consist of molecules bound together by covalent bonds rather than ionic bonds, lacking charge separation.
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