The sulfur-containing side bond, the ................ bond is the most important to your work
What is DISULFIDE
100
The disulfide bond is a .................... bond that forms between protein structures
What is CHEMICAL
100
A lot of your chemical services, particularly perming and relaxing, directly affect the .................... bond
What is DISULFIDE
200
The ............... bond, like the hydrogen bonds are individually very weak and account for about 35% of the hair's strength
What is SALT
200
By wrapping hair around a roller under tension and drying it, the hair takes o a new shape because new ............ and ............. bonds are formed between the protein chains
What is HYDROGEN SALT
200
A set using rollers then drying the hair is only temporary because exposure to .................. will break the new bonds
What is WATER
200
Even ....................... in the air can break new hydrogen and salt bonds
What is HUMIDITY
200
About .............% of the hair's strength is due to the millions of hydrogen bonds in its structure
What is 35%
300
It is very important not to disturb ............ .............
What is PEPTIDE BONDS
300
If peptide bonds are broken, protein chains separate into small fragments, or revert to groups of amino acids that no longer have the characteristics of .............
What is HAIR
300
Four side bonds are:
What is HYDROGEN BOND, SALT BOND, DISULFIDE BOND AND VAN DER WAAL'S FORCES
300
When giving .............. ................, you are affecting the four side bonds
What is CHEMICAL SERVICES
300
Hair has many ............... bonds, which are individually very weak and can easily be broken by heat or water
What is HYDROGEN
400
Hair is made of ..........% keratin protein and .........% trace minerals
What is 97% 3%
400
The ................ .............. is the backbone of all protein molecules
What is PEPTIDE BOND
400
The peptide bond is also known as an .............. ............
What is END BOND
400
............... means many
What is POLY
400
Hair is the linking together of ............... groups
What is PROTEIN
500
When unstable atoms combine chemically by sharing electrons, they form .....................
What is MOLECULES
500
A ................. is two or more atoms joined together by a chemical bond
What is MOLECULE
500
.............. .............. are compounds consisting of carbon, oxygen, hydrogen and nitrogen
What is AMINO ACIDS
500
Amino acids join together in chains to become ............., which provide the chemicals the body needs for growth and repairing tissues
What is PROTEINS
500
Hair is a form of protein called .....................