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Question
Which of the following is a dipeptide?
Which of the following is a dipeptide?
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Solution
The correct option is A Cystine
Cysteine and methionine are sulphur containing amino acids. These 2 acids can bond via their sulphurs producing a disulphide bond. A disulphide bond is formed between 2 sulphur atoms in sulphur containing amino acids.
Cystine is a dipeptide. It is made up of 2 cysteine residues joined together by a disulphide bond. Ornithine and citrulline are non proteinogenic (do not participate in the formation of proteins) amino acids. They are found during the urea cycle.
Cysteine and methionine are sulphur containing amino acids. These 2 acids can bond via their sulphurs producing a disulphide bond. A disulphide bond is formed between 2 sulphur atoms in sulphur containing amino acids.
Cystine is a dipeptide. It is made up of 2 cysteine residues joined together by a disulphide bond. Ornithine and citrulline are non proteinogenic (do not participate in the formation of proteins) amino acids. They are found during the urea cycle.
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