NASA's Curiosity Mars rover has detected the largest organic (carbon-containing) molecules ever found on the red planet. The ...

For example, ethanoic acid (CH 3 COOH) can be formed by the oxidation ... as the removal of oxygen or the addition of hydrogen to a molecule. Carboxylic acids can also react with bases to form ...

A simple polyester can be made from a monomer which has two hydroxyl groups (-OH) and another monomer which has two carboxylic acid groups (-COOH).

Chemically, an amino acid is a molecule that has a carboxylic acid group and an amine group that are each attached to a carbon atom called the α carbon. Each of the 20 amino acids has a specific ...