$(A)$ Denaturation of proteins causes loss of secondary and tertiary structures of the protein
$(B)$ Denturation leads to the conversion of double strand of $DNA$ into single strand
$(C)$ Denaturation affects primary structure which gets distorted
proteins $\xrightarrow{{enzyme{\text{ }}\left( A \right)}}$ polypeptides $\xrightarrow{{enzyme{\text{ }}\left( B \right)}}$ amino acids,
are respectively