People with blonde hair have ________ pigment(s) in their hair.
A) very little
B) melanin
C) phaeomelanin
D) melanin and phaeomelanin
Correct Answer:
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Q114: The protein that forms the strand of
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
Q120: People with red hair have lots of
A)melanin.
B)phaeomelanin.
C)chlorophyll.
D)none
Q121: Emollients act by coating the skin and
Q122: The two main types of laundry bleaches
Q123: Petroleum solvents are safe to use with
Q124: Surfactants that carry a negative charge are
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