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

Chapter 15 Relaxers

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1.
FLASHCARD QUESTION
Front
Back
Peptide bonds
2.
FLASHCARD QUESTION
Front
What are long, coiled polypeptide chains linked together end-to-end like beads?
Back
Polypeptide chains
3.
FLASHCARD QUESTION
Front
The cortex of the hair is made up of millions of polypeptide chains cross-linked by three types of side bonds that are responsible for the elasticity and strength of the hair. These bonds are _____: disulfide, salt, and hydrogen, disulfide, trisulfide, and hydrogen, disulfide, salt, and oxygen, disulfide, chlorine, and hydrogen.
Back
disulfide, salt, and hydrogen
4.
FLASHCARD QUESTION
Front
What chemical side bonds are formed when two sulfur-type chains are joined together?
Back
Disulfide bonds
5.
FLASHCARD QUESTION
Front
Which bonds are relatively weak physical side bonds resulting from an attraction between negative and positive electrical charges, and are easily broken by changes in pH?
Back
Hydrogen bonds
6.
FLASHCARD QUESTION
Front
Hydrogen bonds are weak physical side bonds that result from an attraction between negative and positive electrical charges and are easily broken by water or heat, but reform as the hair is _____?
Back
dried
7.
FLASHCARD QUESTION
Front
Chemical services should not be performed if the scalp analysis shows any signs of _____: porosity, abrasions, disorders, tightness.
Back
abrasions
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