Bacteria are single-celled microorganisms that have a wide range of shapes and sizes.

A bacteriologist is a microbiologist, or similarly trained professional, in bacteriology- a subdivision of microbiology that studies bacteria, typically pathogenic ones.

Bacteriology is the branch and specialty of biology that studies the morphology, ecology, genetics and biochemistry of bacteria as well as many other aspects related to them.

Biochemistry is a branch of science that explores the chemical processes and substances that occur within living organisms.

Biotechnology is a field of science that combines biology with technology to develop new and innovative products and processes.

Chemistry is a branch of science that studies matter and the changes it undergoes.

Fungi are a diverse group of organisms that belong to the kingdom Fungi.

Genetics is a branch of biology that focuses on the study of genes, heredity, and variation in living organisms.