| Answer | Crossword Clue |
|---|---|
| phosphoprotein | any of various proteins, such as casein, that contain combined phosphoric acid |
| phosphoproteins | PHOSPHOPROTEIN, any of various proteins, such as casein, that contain combined phosphoric acid |
| 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) |
