Noun
an organic acid characterized by one or more carboxyl groups
Source: WordNetAcidic conditions yield the carboxylic acid and the ammonium ion while basic hydrolysis yield the carboxylate ion and ammonia. Source: Internet
Aspirin (acetylsalicylic acid) is a carboxylic acid Cell membranes are generally impermeable to charged or large, polar molecules because of the lipophilic fatty acyl chains comprising their interior. Source: Internet
An amino acid contains both acidic (carboxylic acid fragment) and basic (amine fragment) centres. Source: Internet
Because all amino acids contain amine and carboxylic acid functional groups, they share amphiprotic properties. Source: Internet
Below pH 2.2, the predominant form will have a neutral carboxylic acid group and a positive α-ammonium ion (net charge +1), and above pH 9.4, a negative carboxylate and neutral α-amino group (net charge −1). Source: Internet
Humans lack the ability to introduce double bonds in fatty acids beyond carbons 9 and 10, as counted from the carboxylic acid side. citation Two essential fatty acids are linoleic acid (LA) and alpha-linolenic acid (ALA). Source: Internet