Examlex
For fixed sample sizes, the t-statistic is more variable than the z-statistic.
Self-Antigens
Molecules produced by the body that are recognized by the immune system as part of the self, preventing an immune response against them.
Apoptosis
A process of programmed cell death that occurs in multicellular organisms, characterized by cell shrinkage, chromatin condensation, and DNA fragmentation.
Antibody
A blood protein produced in response to and counteracting a specific antigen; antibodies recognize and neutralize foreign substances such as bacteria and viruses.
Antigen
A substance that induces an immune response in the body, especially the production of antibodies.
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