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  1. The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is:

    2. A.

     Amino phenyl alanine
    B.

     Hydroxy phenyl alanine
    C.

     Phenyl alanine
    D.

     Dihydroxy phenyl alanine

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    Answer : Option D

    Explanation :

    The foot of the common mussel (Mytilus edulis) produces a sticky glue due to a unique compound called mussel adhesive protein, which contains a high concentration of an amino acid, DOPA (dihydroxyphenylalanine), which can cling to wet surfaces with extraordinary strength. Besides heart implants, the compound could be used as a tooth coating to prevent dental plaque, which is caused by bacterial infection.

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