Podcast
Questions and Answers
What is the unique functional group present in cysteine?
What is the unique functional group present in cysteine?
- Carboxyl group
- Amino group
- Hydroxyl group
- Thiol group (correct)
Which amino acid has a side chain that can form a disulfide bond?
Which amino acid has a side chain that can form a disulfide bond?
- Asparagine
- Cysteine (correct)
- Phenylalanine
- Tryptophan
Which amino acid is responsible for most of the UV absorbance and fluorescence exhibited by proteins?
Which amino acid is responsible for most of the UV absorbance and fluorescence exhibited by proteins?
- Tyrosine (correct)
- Glutamine
- Threonine
- Serine
Flashcards
Cysteine's unique group?
Cysteine's unique group?
Contains a thiol group (-SH) which is unique among standard amino acids.
Disulfide bond amino acid?
Disulfide bond amino acid?
The amino acid cysteine can form disulfide bonds between its thiol group and another cysteine residue.
UV absorbance amino acid?
UV absorbance amino acid?
Tyrosine's aromatic side chain is responsible for UV absorbance and fluorescence in proteins.
