OBJECTIVE LIFE SCIENCE
SIGNALLING IMMUNOLOGY CANCER
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is an antigen?
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The traces that pathogens leave behind
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Another name for a pathogen
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A protein that attacks pathogens
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None of the above
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Explanation:
Detailed explanation-1: -Pathogens have molecules called antigens on their surface. Antigens provide a unique signature for the pathogen that enables immune system cells to recognize different pathogens and distinguish pathogens from the body’s own cells and tissues.
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