Answer:
The correct option is D, THE PRIMARY STRUCTURE OF THE PROTEIN.
Explanation:
Proteins generally have four different types of structures, which are primary, secondary, tertiary and quaternary structures. The primary structure of a protein refers to the sequence of amino acids in a polypeptide chain. The sequence of amino acid in a protein is determined by the sequence of nucleotide in the DNA that encode the protein. Thus, if one knows the sequence of the nucleotide within a gene, one can easily determine the primary structure of the protein.
