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Summary of events in the killing of virus-infected cells by cytotoxic T cells.
Cycle of phage that lyses the host cells
Atmospheric currents carried radioactive fallout across much of Northern Hemisphere
Can chichenpox infection elevate the levels of cells?
Cancer cells can move to new locations in the body, a process called metastasis
Experimental evidence that signals from dorsal lip cells initiate amphibian gastrulation. A dorsal l