What are building blocks of protein?

The amino acid tryptophan is one of the building blocks of protein. The basic building block of a protein is called an amino acid. There are 20 amino acids in the proteins you eat and in the proteins within your body, and they link together to form large protein molecules.

If you open the bottle of perfume then nothing but the smell will come out of it and yes it is a type of gas smell because it’s say it in english so i can understand better and you

They are all full and don't need any more electrons in there outer shell.