Examlex
In double fertilization, one sperm fuses with the egg, and the other sperm fuses with the two antipodal nuclei.
Complement System
A part of the immune system consisting of a series of small proteins that enhance (complement) the ability to ward off and destroy pathogens through a process known as complement activation.
Monoclonal Antibodies
Laboratory-made proteins that mimic the immune system's ability to fight off harmful pathogens like viruses.
Tumor Necrosis Factor
A cell signaling protein (cytokine) involved in systemic inflammation and is part of the body’s immune response.
Cancer Defense
The mechanisms by which an organism prevents the development of cancer, including DNA repair, apoptosis, and immune responses.
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