Which of the following pairs of amino acids is positively charged at a neutral pH?
A) Lys, Arg
B) Tyr, Arg
C) Cys, Met
D) Leu, Pro
E) Asp, Glu

Name: Which of the following pairs of amino acids is positively charged at a neutral pH? A) Lys, Arg B) Tyr, Arg C) Cys, Met D) Leu, Pro E) Asp, Glu
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Question

Quizplus · Accepted Answer

Lysine (Lys) and Arginine (Arg) are positively charged at neutral pH due to their long side chains ending in a positively charged group.

Which of the Following Pairs of Amino Acids Is Positively