Examlex
Which of the following is utilized by vaccination to produce long-lasting immunity?
Labeled Atoms
Atoms in a molecule that are marked or tagged with an isotope to trace them in chemical reactions and processes.
Triethylamine
A strong, organic base, commonly used as a reagent and catalyst in organic synthesis.
Nitrogen Atom
A chemical element with atomic number 7, essential to life on Earth, and a common element in organic compounds.
CNC Bond Angle
The angle formed between two carbon atoms and a nitrogen atom connected in a molecule.
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