| Answer | Crossword Clue |
|---|---|
| pentapeptide | a polypeptide that contains five amino acid residues |
| pentapeptides | PENTAPEPTIDE, a polypeptide that contains five amino acid residues |
| bradykinin | A compound released in the blood in some circumstances that causes contraction of smooth muscle and dilation of blood vessels. It is a peptide comprising nine amino-acid residues |
| proteins | any of various naturally occurring extremely complex substances that consist of amino-acid residues joined by peptide bonds, contain the elements carbon, hydrogen, nitrogen, oxygen, usually sulfur, and occasionally other elements (as phosphorus or iron), and include many essential biological compounds (as enzymes, hormones, or antibodies) |
