cuales son los ojetivos de un trabajo escrito que tarte sobre el origen de la vida por favor alguien q me explique que es para mañana

What's the waste product of electrons and pyruvate combining in fermentation?  

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

Everything that surrounds a particular organism