GOB Chemistry
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Draw the fully ionized form of the amino acids given: isoleucine (nonpolar side chain) and threonine (polar side chain). Give the reason for the difference in their side chain polarity.
The OH group in threonine makes its side chain polar which is not present in the side chain of isoleucine.
The longer alkyl side chain in isoleucine makes its side chain nonpolar which is not present in the side chain of threonine.