Question
Explain the concept of antigens and their classification as foreign or self-antigens.
Answer :
Word Count : 269
Antigens are molecules or molecular structures that are recognized by the immune system as targets for an immune response. They are typically proteins, polysaccharides, lipids, or nucleic acids present on the surface of pathogens, cells, or other substances. When an antigen enters the body, _______ __________ _______ _________ _____ ______ ____.
____ ____ ___ ___ ___ ___ _______ ______ ________.
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____ ______ ____ ______ _________.
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______ ___ _______ ___ __________ _________.
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Antigens are molecules or molecular structures that are recognized by the immune system as targets for an immune response. They are typically proteins, polysaccharides, lipids, or nucleic acids present on the surface of pathogens, cells, or other substances. When an antigen enters the body, _______ __________ _______ _________ _____ ______ ____.
____ ____ ___ ___ ___ ___ _______ ______ ________.
__________ _________ ________ ________ ________ __________ _________ ______ _________ _______ ______ ______.
____ ______ ____ ______ _________.
__________ ________ _________ __________ ________ _______.
__________ _______ _________ ___ ______ ______ _______ ___ __________ _________ ____ ________.
_________ ____ __________ ____ ___ ________.
__________ _______ ________ ________ _________ _____ _______.
____ _______ ________ ____ ____ __________ ____ ____ ___ ______ _____.
_________ ___ __________ _______ _____ ____ ___ __________ __________ ________ ______.
_______ ____ _________ _____ ________ ________ ____ ____ _______ _________ ____.
_________ _______ _________ __________ __________ _______ __________ __________ _________ __________ _________.
__________ ________ __________ ____ _____ _________ _________ ________ ____.
___ _______ ____ _______ ___ ____ _________ ________ _____ __________ ______ ________.
__________ __________ _______ __________ ________ ______ __________ ________ ___ ________ _________ ____.
______ ___ _______ ___ __________ _________.
_____ _____ _____ ____ _____ ________.
___ _______ ________ _______ ________ _______ _______ __________ ______ ______ ___.
__________ __________ __________ ____ _____ _______ _________ ______.
______ __________ _______ ______ ______ _____ ______ _____ _________ _______ ________.
______ _______ ___ _____ _____ ____ ______ _____ _____ _______ ________ ____.
________ _________ _______ ____ ___ ___ _________ ________ _________ __________ ________ ___.
____ ____ ___ __________ ____.
______ ___ ____ _____ ________ ___ ____ __________ ____.
___ ______ _______ _______.
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