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Question
Which of the following pair of amino acids are acidic?
Which of the following pair of amino acids are acidic?
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Solution
The correct option is D Glutamate and aspartate
- An amino acid contains an amino group, a carboxylic group both attached to the same carbon.
- The various amino acids differ with respect to the side chain (R group) attached to their alpha-carbon.
- Amino acids can be classified on the properties of their side chain, in particular, their polarity.
- The polarity of the side chain varies widely from non-polar and hydrophobic to highly polar and hydrophilic.
- Negatively charged R groups like aspartic acid and glutamic acid. So, both glutamic acid and aspartic acid are acidic amino acids.
Thus, the correct answer is option D.
- An amino acid contains an amino group, a carboxylic group both attached to the same carbon.
- The various amino acids differ with respect to the side chain (R group) attached to their alpha-carbon.
- Amino acids can be classified on the properties of their side chain, in particular, their polarity.
- The polarity of the side chain varies widely from non-polar and hydrophobic to highly polar and hydrophilic.
- Negatively charged R groups like aspartic acid and glutamic acid. So, both glutamic acid and aspartic acid are acidic amino acids.
Thus, the correct answer is option D.
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