Each Î±-amino acid consists of a backbone part that is present in all the amino acid types, and a side chain that is unique to each type of residue. An exception from this rule is proline, where the hydrogen atom is replaced by a bond to the side chain.any proteins contain only amino acids and no other chemical groups, and they are called simple proteins. However, other kind of proteins yield, on hydrolysis, some other chemical component in addition to amino acids and they are called conjugated proteins.
â¢ BILTONG (noun). The noun BILTONG has 1 sense: 1. meat that is salted and cut into strips and dried in the sun. Familiarity information: BILTONG used as a noun is very rare.
noun. verb. Lug is defined as a heavy bolt used to fasten a wheel, or is slang for a big man. 1  An example of a lug is the bolt used to mount a tire.2  A man who is helpful at lifting heavy things is an example of a lug.oun. 1  A handle or projection used as a hold or support. 2  A lug nut. 3  Nautical A lugsail. 4  A projecting part of a larger piece that helps to provide traction, as on a tire or the sole of a boot.