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7 February, 18:07

The antigens have a specific shape that determines with which white blood cell or antibody it will interact with. What other molecule's form determines its function?

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  1. 7 February, 18:22
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    The correct answer is: the antibodies' shape.

    Explanation:

    Antibodies are proteins called immunoglobulins that serve the immune system by responding to a specific antigen and generating the proper counter to fight it.

    Each antibody consists of four polypeptides that form a "Y" shaped molecule. The Y shape is given by two heavy chains and two light chains.

    The tips of the Y are composed of 110-130 amino acids that vary greatly among other antibodies. This gives the antibody its specificity.
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