The protein that forms the strand of hair is
A) cortex.
B) cuticle.
C) follicle.
D) keratin.
Correct Answer:
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Q109: The first step in hair curling is
Q110: The last step in hair curling is
Q111: If you wish to make a shampoo
Q112: There is evidence that some hair dyes
Q113: Hair colorings that gradually develop hair color
A)have
Q115: The only necessary ingredient in shampoo is
A)water.
B)conditioner.
C)fragrance.
D)detergent.
Q116: Relative to skin protein,hair protein has more
A)amino
Q117: Hair is composed of
A)carbohydrate.
B)protein.
C)fat.
D)nucleic acid.
Q118: In adult shampoos,the detergent often contains
A)sodium bicarbonate.
B)sodium
Q119: People with blonde hair have _ pigment(s)in
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