Tuftsin Is a Tetrapeptide That Stimulates and Promotes the Destruction

question 12

Multiple Choice

Tuftsin is a tetrapeptide that stimulates and promotes the destruction of tumor cells.What is meant by the term tetrapeptide?

• A)There are four separate peptide chains in its structure.
• B)Four peptide bonds join the amino acid together in its structure.
• C)Four amino acids are present,joined together by peptide bonds.
• D)Four different secondary structures are present.
• E)This protein has a quaternary level of structure.

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