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4 votes
Heat and chemical treatments can straighten curly hair. Which functional group is responsible for this property of hair proteins?

A. phosphate group
B. sulfhydryl group
C. carbonyl group

1 Answer

5 votes
Sulfhyfryl group! I swear I remember Bill Nye saying that when you perm straight, you’re breaking and rearranging sulfur bonds!
User Henryk
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