試題詳解

18. The genetic code is said to be degenerate, which means that:
(A) Each codon codes for more than one amino acid.
(B) An anticodon can interact with more than one codon in the mRNA in which the codon may differ in any or all of the three nucleotides.
(C) Most amino acids are coded for by more than one codon.
(D) The code is universally used by virtually all species.
(E) None are true.