Edmund Degradation Method Quiz

What is the primary purpose of the Edmund Degradation Method?

• To sequence amino acids in a peptide

• To modify DNA sequences

• To synthesize new proteins

• To determine RNA structure

What are proteins primarily composed of?

• Polypeptide chains

• Carbohydrates

• Nucleotides

• Lipids

What is the n-terminal of a polypeptide chain?

• The middle of the chain

• The end with a free amino group

• The end with a free carboxylic group

• The end with a free phosphate group

In n-terminal amino acid determination, which amino acid is separated first?

• The last amino acid

• The middle amino acid

• The first amino acid

• The second amino acid

Which method is used in the video for amino acid determination?

• Damsel method

• Sanger method

• DNP method

• Edmund Degradation method

What is the first step in the Edmund Degradation Method?

• Cleavage

• Conversion

• Extraction

• Coupling

What is the role of phenyl isothiocyanate in the Edmund Degradation Method?

• It cleaves the peptide chain

• It converts the amino acid

• It labels the n-terminal amino acid

• It stabilizes the amino acid

What is the final stable form of the labeled amino acid in the Edmund Degradation Method?

• Phenyl isothiocyanate

• Thiocarbamyl derivative

• Anilenothiazolinone derivative

• Phenolphthyrohydrantoin amino acid derivative

What is a limitation of the Edmund Degradation Method?

• It is only applicable to carbohydrates

• It cannot sequence proteins with blocked n-terminals

• It requires high temperatures

• It can only sequence DNA

Which technique is used to identify the labeled amino acid in the Edmund Degradation Method?

• Western blotting

• Gel electrophoresis

• HPLC

• Mass spectrometry