Which of the Following Statements Is Not True of the Amino

Multiple Choice

Which of the following statements is not true of the amino acids?

A) There are more than 60 different kinds of amino acids present in cells.
B) The R group of amino acids differs from one amino acid to another.
C) Only around 20 amino acids are used in protein synthesis.
D) All amino acids exist in two stereoisomeric forms.
E) Amino acids have an N-terminus, C-terminus, and R groups.