2. In this chapter, you learned that some pathogens must attach to host cells to cause disease. To accomplish this, molecules on their surface (adhesins or ligands) recognize and attach to molecules (receptors or integrins) on the surface on certain host cells.
So a chromatic note, is any note you play that is not in the scale you are playing. They are also a great way to practice, especially if you are going through the pentatonic scale. Try adding one of these outside chromatic notes to your scale, and see how it sounds above the chord you are playing over.
Very often, diatonic refers to musical elements derived from the modes and transpositions of the white note scale CâDâEâFâGâAâB. In some usages it includes all forms of heptatonic scale that are in common use in Western music (the major, and all forms of the minor). Chromatic most often refers to structures derived from the chromatic scale, which consists of all semitones.