Edward Jenner's work involved . Multiple Choice development of an immunization to protect people against cowpox immunization using a related, less pathogenic organism to give protection against a more pathogenic one development of passive immunotherapy inoculation of dried pus from smallpox pustules into a person to stimulate immunity

How does an angiosperm prevent self pollination

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

The chromosomal structure that limits the number of cell divisions of a cell is the the chromosomal structure that limits the number of cell divisions of a cell is the kinetochore telomere histones centromere