A peptide bond is reformed by drying or cooling.

The medical term used to describe dandruff is:

The technical term for gray hair is:

The sudden falling out of hair in round patches or baldness in spots is:

The melanin that provides brown or black color to hair is:

The fibrous protein core formed by elongated cells that contains melanin pigment is the:

A physical side bond that is easily broken by water and heat is a:

The thickness or diameter of the individual hair strand is referred to as hair:

Rays with long wavelengths that penetrate more deeply and produce more heat than visible light are:

A measurement of how much electricity is being used in 1 second is a(n):