MCAT Question of the Day


  • Q:

    The pungent smell of burning hair is due to the large concentration of sulfur in keratin. Which of the following describes the role of the sulfur?

     

    A

    It is concentrated in hair along with other environmental toxins.

    B

    It is present in disulfide bridges in keratin.

    C

    It is part of the carbohydrate structure of the hair.

    D

    It acts as a pigment for the keratin in the hair.



    Protein Structure and Function | Intermolecular Forces |
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