Questions and Answers
Which of the following amino acids is classified as acidic?
Aspartic Acid
Which amino acid is polar but not charged?
Threonine
Which of the following amino acids is nonpolar?
Proline
Which amino acid has the three-letter abbreviation 'Arg'?
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Which group does Tyrosine belong to?
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Which of the following amino acids is classified as basic?
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Study Notes
Amino Acid Classification
- Amino acids can be categorized into three groups based on their chemical properties: Electrically Charged, Polar, and Nonpolar.
Electrically Charged Amino Acids
- Further divided into Acidic and Basic subcategories.
Acidic Amino Acids
- Aspartic Acid (Asp)
- Glutamic Acid (Glu)
Basic Amino Acids
- Lysine (Lys)
- Arginine (Arg)
- Histidine (His)
Polar Amino Acids
- Display both hydrophilic and hydrophobic properties.
- Serine (Ser)
- Threonine (Thr)
- Cysteine (Cys)
- Tyrosine (Tyr)
- Asparagine (Asn)
- Glutamine (Gln)
Nonpolar Amino Acids
- Also known as hydrophobic amino acids.
- Glycine (Gly)
- Alanine (Ala)
- Valine (Val)
- Leucine (Leu)
- Isoleucine (Ile)
- Methionine (Met)
- Tryptophan (Trp)
- Phenylalanine (Phe)
- Proline (Pro)
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