Question:
Among the following, Acidic amino acid, Basic amino acid and Neutral amino acids are in the sequence of
Among the following, Acidic amino acid, Basic amino acid and Neutral amino acids are in the sequence of
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Memorise representative amino acids: acidic = Asp, Glu; basic = Lys, Arg, His; neutral non-polar = Val, Leu, Ile.
Use these representatives to quickly categorise sequences in questions.
Think "Glu (acidic) → Lys (basic) → Val (neutral)" as a simple mnemonic for this Q-type.
Use these representatives to quickly categorise sequences in questions.
Think "Glu (acidic) → Lys (basic) → Val (neutral)" as a simple mnemonic for this Q-type.
Updated On: Oct 27, 2025
- Glutamic acid - Lysine - Valine
- Lysine - Valine - Glutamic acid
- Glutamic acid - Valine - Lysine
- Lysine - Glutamic acid - Valine
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The Correct Option is A
Solution and Explanation
Classify the given amino acids by side-chain properties:
Glutamic acid (Glu) is an acidic amino acid (negatively charged at physiological pH).
Lysine (Lys) is a basic amino acid (positively charged at physiological pH).
Valine (Val) is a neutral, non-polar (hydrophobic) amino acid.
The requested order "Acidic → Basic → Neutral" corresponds to Glutamic acid → Lysine → Valine, which is option (1).
Glutamic acid (Glu) is an acidic amino acid (negatively charged at physiological pH).
Lysine (Lys) is a basic amino acid (positively charged at physiological pH).
Valine (Val) is a neutral, non-polar (hydrophobic) amino acid.
The requested order "Acidic → Basic → Neutral" corresponds to Glutamic acid → Lysine → Valine, which is option (1).
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