Q47
Three molecular ionic states, P-R are possible for the amino acid histidine. Identify the correct choice of pH values, respectively for the observation of the ionic states P-R.
Three molecular ionic states, P-R are possible for the amino acid histidine. Identify the correct choice of pH values, respectively for the observation of the ionic states P-R.


A.
P at pH 1; Q at pH 12; R at pH 7
AnswerB.
P at pH 7; Q at pH 1; R at pH 12
C.
P at pH 12; Q at pH 7; R at pH 1
D.
P at pH 12; Q at pH 1; R at pH 7
Answer: Option A
Solution
Answer: Option A
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