It's a cell wall, common to some types of cells, like plant cells (one notable component of the cell wall is <span>cellulose, which is exactly where we obtain it from</span>).
I think the correct answer from the choices listed above is the last option. <span>The relationship in which each codon determines each specific amino acid used for making a protein is considered the Genetic Code. Hope this answers the question. Have a nice day.</span>