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| Q. |
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: |
| A. | Amino phenyl alanine |
| B. | Hydroxy phenyl alanine |
| C. | Phenyl alanine |
| D. | Dihydroxy phenyl alanine |
| Answer» D. Dihydroxy phenyl alanine | |
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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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