amino group
A functional group that consists of a nitrogen atom bonded to two hydrogen atoms; can act as a base in solution, accepting a hydrogen ion and acquiring a charge of +1.
An amino group (-NH2) is a functional group consisting of a nitrogen atom bonded to two hydrogen atoms. Amino groups are commonly found in organic molecules and are one of the key components of amino acids, the building blocks of proteins.
Amino groups can act as a base, meaning that they can accept a proton to form a positively charged ammonium ion (+NH3). This ability to accept a proton is what makes amino groups particularly important in biological systems, where they play a crucial role in the function and structure of proteins and other biomolecules.
Amino groups can also participate in chemical reactions such as condensation reactions, where they combine with carboxyl groups to form peptide bonds between amino acids. Additionally, amino groups can be modified through chemical reactions, such as acylation or alkylation, to alter their properties or functionality.
Overall, amino groups have a wide range of functions and play important roles in the chemistry of life.
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