33. Which of the following statements is false? O Nonself substances are major h

Question

33. Which of the following statements is false? O Nonself substances are major histocompatibility proteins that have been altered by T cells D Cytokines are proteins that alter the activity of lymphocytes and macrophages O Immune system proteins bind pathogens, label cells as self, and signal other cells O Major histocompatibility complex t proteins occur on the surfaces of a broader range o cell types than do major histocompatibility complex II prot Major histocompatibility complex proteins are used in identifying self from nonself substances.

Explanation / Answer

ANSWER

OPTION 1 IS INCORRECT

as nonself antigens are foreing agents. they are  molecule capable of inducing an immune response in the host organism.

they are either engulfed by macrophages or they are first recognised by MHC . after their recognition they are then presented to other cells where they are destroyed

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