Each polypeptide is a protein has amino acids linked with each other in a specific sequence. This sequence of amino acids is said to be ____________.
(i) primary structure of proteins.
(ii) secondary structure of proteins.
(iii) tertiary structure of proteins.
(iv) quaternary structure of proteins.
The answer is the option (i). This type of structure in which each polypeptide is a protein has amino acids linked with each other in a specific sequence is termed as Option (i) primary structure of proteins.