Definition of implement written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. Learner's Dictionary mobile search
Protein is composed of amino acids, which are in turn made up of mostly carbon, hydrogen, oxygen, and nitrogen. A few amino acids also contain sulfur: both Cysteine and Methionine. 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.
Proteins are made up of chains of small organic molecules called amino acids such as glycine, alanine, lysine or tryptophan. Amino acids contain an amine functional group, which contains a nitrogen atom, possibly one or two atoms of hydrogen, and a carboxylic acid group, which has the formula -COOH. Continue Reading.