A substance made of weakened, killed, or partial pathogens designed to protect the body from future invasions of that pathogen is?

a vaccine

Explanation:

A substance made of weakened, killed, or partial pathogens designed to protect the body from future invasions of that pathogen is called a vaccine.

Vaccines are substances that are prepared and administered to individuals with the sole focus of eliciting immune response of such individuals to a particular disease. The substances usually consist of mixture of weakened, killed or neutralized pathogens of a particular disease.

Vaccines are of different types depending on which portion or type of pathogen that is utilized in its preparation. They could be

Other types include valence, toxoid, experimental, and heterotypic vaccines.

i don't know. if i were you, i would search it up online : d

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides