Which of the following amino acid contain an imidazolium moiety?

More Questions from Structure and Properties of Amino Acids

• In a polypeptide average mass of an amino acid residue is
• Which of the following is not a sensible grouping of amino acids based on their polarity properties?
• How many different amino acids are there?
• The sulphur containing side chain of cysteine is
• Stereo chemical configuration of all a-amino acids derived from proteins is
• Serine and threonine are polar amino acids due to
• Proteins and macromolecular structures take on their higher order structures
• What is the heaviest of the twenty amino acids?
• The α-amino acids have a carboxyl group with a pK around __________ , and an amino group with a pK near __________ .
• Amino acids required in the human diet and not synthesized by the body are called

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