All (living/non-living) things are made of cells.

How do accessory pigments chlorophyll?

Is there any solid scientific evidence that humans have been cloned?

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