Protein structure is the three-dimensional arrangement of atoms in a protein molecule. Proteins are polymers â specifically polypeptides â formed from sequences of amino acids, the monomers of the polymer. A single amino acid monomer may also be called a residue (chemistry) indicating a repeating unit of a polymer.
Developmental disability is a diverse group of chronic conditions that are due to mental or physical impairments. Developmental disabilities cause individuals living with them many difficulties in certain areas of life, especially in language, mobility, learning, self-help, and independent living.
Some developmental disabilities (such as spina bifida) make it possible for an adult to function well socially or at a job while requiring significant physical supports. Others, such as Down syndrome, may make it possible to function well socially â but require some level of support in a work setting.