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.
Here are the notes in a C chromatic scale. You will see that there are only 12 different pitches before arriving back at C. There are 12 different pitches, but you also see the 2nd note in the scale is a C# or a Db.That is because C# and Db are just different ways to spell the same pitch.ere are the notes in a C chromatic scale. You will see that there are only 12 different pitches before arriving back at C. There are 12 different pitches, but you also see the 2nd note in the scale is a C# or a Db.