Which of the Following Is Referred to as the "Second

Multiple Choice

Which of the following is referred to as the "second genetic code"?

A) the ability of the codon and anticodon to recognize each other
B) the ability of aminoacyl-tRNA synthetase to pair an amino acid with its corresponding tRNA
C) the ability of an enhancer molecule to recognize its specific substrate
D) the ability of RNA polymerase I to recognize its binding site in mRNA