What were the two experiments that disprove spontaneous generation?

What are the two main phases of a cell cycle

Nerve cells are specialized to respond to stimulitrue or false?

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen