CH 9 ECONOMIC IMPORTANCE OF BACTERIA AND FUNGI

Introduction of weakened germs or dead germ substances into the body for developing resistance to a particular disease.

A preparation consisting of weekend germs or dead germs substances.

Antitoxin is a substance produced in animal bodies that reacts with the poison produced by the invading germs.

Toxins are poisonously released by pathogenic bacteria during their growth or upon their breakdown after they die.

Serum actually means blood plasma from which fibrinogen has been removed.

Albert Schatz

Penicillin

An antibiotic is a chemical substance produced by a living organism that can stop the growth of some disease-producing bacteria and fungi.

Ribonucleic Acid

Deoxyribonucleic acid