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Biology, 18.11.2019 23:31 levicorey846
Immunological memory accounts for what? a) the ancient observation that someone who had recovered from the plague could safely care for those newly diseasedb) the human body's ability to distinguish self from nonselfc) the ability of the immune system to present antigen fragments in association with mhc antigensd) the observation that some strains of the pathogen that causes dengue fever cause worse disease than otherse) the ability of a t-cells to signal b-cells via cytokines
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