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Question 23.12: Draw the structure of the dipeptide Ala-Ser....

Draw the structure of the dipeptide Ala-Ser.

STRATEGY

First, look up the names and structures of the two amino acids, Ala (alanine) and Ser (serine). Since alanine is N-terminal and serine is C-terminal, Ala-Ser must have an amide bond between the alanine — CO_{2}H and the serine — NH_{2}.

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