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Questions and Answers
Which amino acid is nonpolar?
Which amino acid is nonpolar?
- Glutamine (Gln)
- Methionine (Met) (correct)
- Cysteine (Cys)
- Aspartic Acid (Asp)
Which of the following amino acids is classified as basic?
Which of the following amino acids is classified as basic?
- Histidine (His) (correct)
- Aspartic Acid (Asp)
- Phenylalanine (Phe)
- Threonine (Thr)
Which amino acid is acidic?
Which amino acid is acidic?
- Valine (Val)
- Tyrosine (Tyr)
- Proline (Pro)
- Glutamic Acid (Glu) (correct)
Which of these amino acids has a polar side chain?
Which of these amino acids has a polar side chain?
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Which amino acid has a nonpolar side chain?
Which amino acid has a nonpolar side chain?
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Study Notes
Amino Acid Structures
- Amino acids can be grouped by the polarity and electrical charge of their side chains.
Nonpolar Amino Acids
- Glycine (Gly), Alanine (Ala), Valine (Val), Leucine (Leu), Isoleucine (Ile), Methionine (Met), Tryptophan (Trp), Phenylalanine (Phe), and Proline (Pro) are nonpolar amino acids.
Polar Amino Acids
- Serine (Ser), Threonine (Thr), Cysteine (Cys), Tyrosine (Tyr), Asparagine (Asn), and Glutamine (Gln) are polar amino acids.
Electrically Charged Amino Acids
Acidic Amino Acids
- Aspartic Acid (Asp) and Glutamic Acid (Glu) are acidic amino acids.
Basic Amino Acids
- Lysine (Lys), Arginine (Arg), and Histidine (His) are basic amino acids.
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