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The decreasing order of isoelectric point for the following a-amino acids is:
(I) Lysine            (II) Alanine         (III) Glutamic acid
  • a)
    II > I > III
  • b)
    I > II > III
  • c)
    III > I > II
  • d)
    I > III > II
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The decreasing order of isoelectric point for the following a-amino ac...
I. Lysine: pI = 9.87
II. Alanine: pI = 6.02
III. Glutamic acid: pl = 3.22
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Most Upvoted Answer
The decreasing order of isoelectric point for the following a-amino ac...
The decreasing order of isoelectric point for the given amino acids is:

(I) Lysine > (III) Glutamic acid > (II) Alanine

Lysine has a higher isoelectric point due to its positively charged side chain, which attracts negatively charged ions and increases the overall charge of the molecule at its isoelectric point. Glutamic acid has a lower isoelectric point than lysine, but still higher than alanine, due to its negatively charged side chain. Alanine has a neutral side chain and therefore has the lowest isoelectric point of the three amino acids.
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Community Answer
The decreasing order of isoelectric point for the following a-amino ac...
Isoelectric points have the following order
basic amino acid> neutral amino acid> acidic amino acid
Lysine is basic amino acid
alanine is neutral amino acid
glutamic acid is acidic amino acid
therefore correct answer is option b.
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The decreasing order of isoelectric point for the following a-amino acids is:(I) Lysine (II) Alanine (III) Glutamic acida)II > I > IIIb)I > II > IIIc)III > I > IId)I > III > IICorrect answer is option 'B'. Can you explain this answer?
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The decreasing order of isoelectric point for the following a-amino acids is:(I) Lysine (II) Alanine (III) Glutamic acida)II > I > IIIb)I > II > IIIc)III > I > IId)I > III > IICorrect answer is option 'B'. Can you explain this answer? for Chemistry 2024 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about The decreasing order of isoelectric point for the following a-amino acids is:(I) Lysine (II) Alanine (III) Glutamic acida)II > I > IIIb)I > II > IIIc)III > I > IId)I > III > IICorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The decreasing order of isoelectric point for the following a-amino acids is:(I) Lysine (II) Alanine (III) Glutamic acida)II > I > IIIb)I > II > IIIc)III > I > IId)I > III > IICorrect answer is option 'B'. Can you explain this answer?.
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