What Does It Mean to Say That the Genetic Code

Multiple Choice

What does it mean to say that the genetic code is degenerate?

A) There is more than one kind of amino acid in proteins.
B) More than one rRNA can bind to the ribosome at the same time.
C) A codon is composed of more than one nucleotide.
D) More than one codon can specify the same amino acid.
E) All products of translation contain a certain minimum number of mistakes, called mutations.