There are 20 amino acids that make up proteins and all have the same basic structure, differing only in the R-group ... In such an equilibrium, the weaker acid always predominates. As ammonia is a ...

The amino acid cysteine has a chemically reactive side chain that can form bonds with another cysteine. Amino acids can also be basic, like lysine, or acidic, like glutamic acid. The sequence and ...

Hidden within the genetic code lies the "triplet code," a series of three nucleotides that determine a single amino acid. How did scientists discover and unlock this amino acid code? Once the ...