I would assume that you would use it when taking vitals, scheduling patient care, and maybe a few other things too.
Hormones, and possibly poor hygiene. Because our hormones change and make our body's change what they do. And poor hygiene because if your not cleaning your face regularly then you will break out.
<span>What is the property of alanine (the amino acid that makes up this polymer chain) that helps explain its reaction to water and oil? Alanine is a hydrophobic molecule, so in water it will gather with the other molecules like itself, and in oil the atoms will dissolve. Hope this helped!</span>