n 3 which were missing 7.4 4) and the pKa of the -COOH group is acids 7.4 zwitte
ID: 1066849 • Letter: N
Question
n 3 which were missing 7.4 4) and the pKa of the -COOH group is acids 7.4 zwitterions becausethepKao the N group is less than/ less than greater than/ less than d b. less than/ greater than e. equal to equal to c. greater than greater than 5) Consider the following forms of the amino acid alanine (Ala). Which statement concerning these structures is FALSE? HIN HIN- C-C OH aa Structure III represents the form of Ala present in the acidic environment of the stomach. Structure IV represents the zwitterion of Ala. environment of the intestines. c. Structure II represents the form of Ala present in the basic physiological pH. d. Structure I represents the form of Ala present in the blood at 6) How is the following amino acid categorized? The structure shows its form at pH- 7.Explanation / Answer
At a physiological pf 7.4 amino acid exist as zwitter because the pka of the –Nh3 group is GREATER THAN 7.4
AND the pka of the -COOH group is LESS THAN 7.4
ANWER :OPTION A
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Consider the following forms of the amino acid alanine (Ala). Which statementconcerning these structures is FALSE?
Structure I represents the form of Ala present in the blood at physiological pH----------answer
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