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Structure and Properties of Amino Acids - Medical Science

Q1:

The isoelectric point of an amino acid is defined as the pH

A where the molecule carries no electric charge

B where the carboxyl group is uncharged

C where the amino group is uncharged

D of maximum electrolytic mobility

ANS:B - where the carboxyl group is uncharged

It halfway of dissociation process therefore it carried equal charges and net charger is Zero example net=+1+(-1).