The narrator may be unreliable for many reasons. Some of the typical scenarios are: The narrator may be of a dramatically different age than the people in the story, such as a child attempting to explain adult actions. The narrator may have prejudices about race, class or gender. The narrator may have low intelligence.
Thus, proteins containing these amino acids would be made up of very small amounts of sulfur, in addition to the more common elements listed above. The five chemical elements of protein are, 1.) sulfur 2.) carbon 3.) hydrogen 4.) oxygen 5.) nitrogen.
All proteins are composed of amino acids. An amino acid is any one of a class of organic compounds containing a certain amino and carboxyl group. The amino acids are the chief building blocks of proteins; that is, proteins are made by putting various amino acids together into specific combinations.