What are the basic building blocks of hair that affect how chemical solutions react?

_____ is the measurement of the thickness or thinness of a liquid that affects how the fluid flows.

In permanent waving, the reduction reaction is due to the addition of _____.

All perm wraps begin by sectioning the hair into _____.

The difference in the strength of most chemical hair relaxers is determined by the concentration of _____.

During a relaxer strand test, hair that is pressed to the scalp and continues to curl is _____.

Most acid waves used in salons have a pH value between _____.

Relaxers that contain two components and must be mixed immediately prior to use are _____.

_____ minimizes stress and tension on the hair.

Which chemical bonds, also known as end bonds, join amino acids together, end-to-end in long chains, to form a polypeptide chain?