Which of the Following Is FALSE When Considering the Standard

Multiple Choice

Which of the following is FALSE when considering the standard genetic code?

A) Three separate codons encode translation stop signals.
B) There are 64 possible codons to represent 20 common amino acids.
C) AUG serves as the translation start codon in most cases.
D) Apart from methionine, the only other amino acid with a single codon is tryptophan.
E) Each of the three stop codons can also encode rare modified amino acids.