Antibodies can distinguish between two polypeptides that differ by as little as __________.
A)one amino acid
B)two amino acids
C)five amino acids
D)one nucleotide
E)two nucleotides

Question

Quizplus · Accepted Answer

Antibodies are highly specific and can recognize and bind to antigens based on the unique shape and sequence of amino acids comprising the antigen. This specificity allows them to distinguish between two polypeptides that differ by as little as one amino acid.

Antibodies Can Distinguish Between Two Polypeptides That Differ by as Little