Folds are bends in rocks whereas faults are displacements of rocks that were once connected to a fault line.
All amino acids are structurally the same, in that they contain a central carbon atom, an amine group, a lone hydrogen at. Our DNA is contained in our chromosomes. The thing that is different about each of the 20 amino acids is the make-up of the R group
They provide biomedical and genomic information.