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| Question | Answer |
|---|---|
| 1. Chemical bonds that join amino acids together to form polypeptide chains are________ bonds | D. Polypeptide (600 |
| 2.Polypeptide chains are long chains of amino acids joined together by ________ | C. Peptide bonds (600) |
| 3. Keratin proteins are made of long chains of ________ link together end- to-end like beads | A. Amino acids (600) |
| 4.what type of bond forms when the sulfur atoms in two adjacent protein chains are joined together? | D. Disulfide (600) |
| 5. The action of alkaline permanent waving lotion is to soften and ________ | C. Expand the hair (602) |
| 6.The chemical action of ________ breaks the disulfide bonds through a chemic | C. Waving lotion (602) |
| 7._______ hair with a strong, resistant cuticle layer needs the additional swelling and penetration that is provided by a stronger and more highly alkaline waving solution | C. Curly (602) |
| 8._______ hair with damaged cuticle layer is easily penetrated and could be further damaged by a highly alkaline waving solution | A. Porous(603) |
| 9. The alkalinity of the perm should correspond to the resistance, strength and _______ of the cuticle layer | D. Porosity(603) |
| 10.What is the main active ingredient or reducing agent in alkaline perms. | B. Ammonium thioglycolate(604) |
| 11. What is the main active ingredient in true acid and acid balanced waving lotions. | A Glycerol monothioglycolate(604) |
| 12.Waves that process more quickly and produce firmer curls than true acid waves are | |
| 13. What type of perm is activated by heat created chemically within the product | |
| 14. A perm activated by an outside heat source, usually conventional hood dryer, is known as | |
| 15.What type of hair is more fragile, easier to process, and more susceptible to damage from the perm services | |
| 16. What type of hair usually requires more processing than medium or fine hair and may also be more resistant to processing | |
| 17. The amount of processing should be determined by the ________ not necessarily the perms processing time | |
| 18.In permanent waving most of the processing takes place as soon as the solution penetrates the hair, within the first _______ minutes | |
| 19. A properly processed permanent wave should break and rebuild approximately ________ percent of the hairs disulfide bonds |
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